Nissan Rogue manuals

Nissan Rogue Service Manual: DTC/circuit diagnosis

POWER SUPPLY AND GROUND CIRCUIT BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM)

BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis Procedure

Regarding Wiring Diagram information, refer to BCS-50, "Wiring Diagram".

1. CHECK FUSE

Check that the following fuse is not blown.

Check fuse

Is the fuse blown? YES >> Replace the blown fuse after repairing the affected circuit.

NO >> GO TO 2.

2. CHECK POWER SUPPLY CIRCUIT

  1.  Disconnect BCM connector M20.
  2.  Check voltage between BCM connector M20 and ground.

Check power supply circuit

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace harness or connectors.

3. CHECK GROUND CIRCUIT

Check continuity between BCM connector M20 and ground.

Check ground circuit

Is the inspection result normal? YES >> Inspection End.

NO >> Repair or replace harness or connectors.

BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM)

BCM (BODY CONTROL SYSTEM) (WITHOUT INTELLIGENT KEY SYSTEM) : Diagnosis Procedure

Regarding Wiring Diagram information, refer to BCS-110, "Wiring Diagram".

1. CHECK FUSE

Check that the following fuse is not blown.

Check fuse

Is the fuse blown? YES >> Replace the blown fuse after repairing the affected circuit.

NO >> GO TO 2.

2. CHECK POWER SUPPLY CIRCUIT

  1.  Disconnect BCM connector M20.
  2.  Check voltage between BCM connector M20 and ground.

Check power supply circuit

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace harness or connectors.

3. CHECK GROUND CIRCUIT

eck continuity between BCM connector M20 and ground.

Check ground circuit

Is the inspection result normal? YES >> Inspection End.

NO >> Repair or replace harness or connectors.

OPTICAL SENSOR

Component Function Check

1.CHECK OPTICAL SENSOR SIGNAL BY CONSULT

CONSULT DATA MONITOR

  1.  Turn power switch ON.
  2.  Select “OPTICAL SENSOR” of BCM (HEADLAMP) data monitor item.
  3.  Turn lighting switch AUTO.
  4.  With the optical sensor illuminating, check the monitor status.

Check optical sensor signal by consult

*: Illuminates the optical sensor. The value may be less than the standard value if brightness is weak.

Is the inspection result normal? YES >> Optical sensor is normal.

NO >> Refer to EXL-88, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK OPTICAL SENSOR POWER SUPPLY INPUT

  1.  Turn power switch ON.
  2.  Turn lighting switch AUTO.
  3.  Check voltage between optical sensor harness connector and ground.

Check optical sensor power supply input

Is the inspection result normal? YES >> GO TO 2.

NO >> GO TO 4.

2.CHECK OPTICAL SENSOR GROUND INPUT

Check voltage between optical sensor harness connector and ground.

Check optical sensor ground input

Is the inspection result normal? YES >> GO TO 3.

NO >> GO TO 6.

3.CHECK OPTICAL SENSOR SIGNAL OUTPUT

With illuminating the optical sensor, check voltage between optical sensor harness connector and ground.

Check optical sensor signal output

*: Illuminate the optical sensor. The value may be less than the standard if brightness is weak.

Is the inspection result normal? YES >> GO TO 7.

NO >> Replace the optical sensor.

4.CHECK OPTICAL SENSOR OPEN CIRCUIT

  1.  Turn power switch OFF.
  2.  Disconnect optical sensor connector and BCM connector.
  3.  Check continuity between optical sensor harness connector and BCM harness connector.

Check optical sensor open circui

Is the inspection result normal? YES >> GO TO 5.

NO >> Repair or replace harness.

5.CHECK OPTICAL SENSOR SHORT CIRCUIT

Check continuity between optical sensor harness connector and ground.

Check optical sensor short circuit

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key system) or BCS- 135, "Removal and Installation" (without Intelligent Key system).

NO >> Repair or replace harness.

6.CHECK OPTICAL SENSOR GROUND OPEN CIRCUIT

  1.  Turn power switch OFF.
  2.  Disconnect optical sensor connector and BCM connector.
  3.  Check continuity between optical sensor harness connector and BCM harness connector.

Check optical sensor ground open circuit

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key system) or BCS- 135, "Removal and Installation" (without Intelligent Key system).

NO >> Repair or replace harness.

7.CHECK OPTICAL SENSOR SIGNAL OPEN CIRCUIT

  1.  Turn power switch OFF.
  2.  Disconnect optical sensor connector and BCM connector.
  3.  Check continuity between optical sensor harness connector and BCM harness connector.

Check optical sensor signal open circuit

Is the inspection result normal? YES >> GO TO 8.

NO >> Repair or replace harness.

8.CHECK OPTICAL SENSOR SHORT CIRCUIT

Check continuity between optical sensor harness connector and ground.

Check optical sensor short circuit

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key system) or BCS- 135, "Removal and Installation" (without Intelligent Key system).

NO >> Repair or replace harness.

HAZARD SWITCH

Component Function Check

1.CHECK HAZARD SWITCH SIGNAL BY CONSULT

CONSULT DATA MONITOR

  1.  Turn power switch ON.
  2.  Select “HAZARD SW” of BCM (FLASHER) data monitor item.
  3.  With operating the hazard switch, check the monitor status.

Check hazard switch signal by consult

Is the inspection result normal? YES >> Hazard switch circuit is normal.

NO >> Refer to EXL-91, "Diagnosis Procedure".

Diagnosis Procedure

1.CHECK HAZARD SWITCH SIGNAL INPUT

  1.  Turn power switch OFF.
  2.  Disconnect hazard switch connector.
  3.  Check voltage between hazard switch connector and ground.

Check hazard switch signal input

Is the inspection result normal? YES >> GO TO 4.

NO >> GO TO 2.

2.CHECK HAZARD SWITCH SIGNAL OPEN CIRCUIT

  1.  Disconnect BCM connector.
  2.  Check continuity between hazard switch harness connector and BCM harness connector.

Check hazard switch signal open circuit

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace harness.

3.CHECK HAZARD SWITCH SIGNAL SHORT CIRCUIT

Check continuity between hazard switch harness connector and ground.

Check hazard switch signal short circuit

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key) or BCS-135, "Removal and Installation" (without Intelligent Key).

NO >> Repair or replace harness.

4.CHECK HAZARD SWITCH GROUND OPEN CIRCUIT

Check continuity between hazard switch harness connector and ground.

Check hazard switch ground open circuit

Is the inspection result normal? YES >> Replace hazard switch. Refer to EXL-125, "Removal and Installation".

NO >> Repair or replace harness.

TURN SIGNAL LAMP CIRCUIT

Description

The BCM monitors inputs from the combination switch (lighting and turn signal switch) to determine when to activate the turn signals. The BCM outputs voltage direction to the left and right turn signals during turn signal operation or both during hazard warning operation. The BCM sends a turn signal indicator request to the combination meter via the CAN communication lines.

The BCM performs the fast flasher operation (fail-safe) if any bulb or harness of the turn signal lamp circuit is open.

NOTE: Turn signal lamp blinks at normal speed when using the hazard warning lamp.

Component Function Check

1.CHECK TURN SIGNAL LAMP

CONSULT

  1.  Select FLASHER of BCM (FLASHER) active test item.
  2.  While operating the test items, check that the turn signal lamp blinks.

LH : Turn signal lamps (LH) ON
RH : Turn signal lamps (RH) ON
Off : Turn signal lamps OFF

Is the inspection result normal? YES >> Turn signal lamp circuit is normal.

NO >> Refer to EXL-93, "Diagnosis Procedure".

Diagnosis Procedure

Regarding Wiring Diagram information, refer to EXL-185, "Wiring Diagram".

1.CHECK TURN SIGNAL LAMP BULB

Check the applicable lamp bulb to be sure the proper bulb standard is in use and the bulb is not open.

Is the bulb OK? YES >> GO TO 2.

NO >> Replace the bulb.

2.CHECK TURN SIGNAL LAMP OUTPUT VOLTAGE

  1.  Turn the ignition switch OFF.
  2.  Disconnect the front combination lamp harness connector or the side turn signal harness connector or the rear combination lamp harness connector in question.
  3.  Turn the ignition switch ON.
  4.  Operate the turn signal switch.
  5.  While the turn signal is operating, check the voltage between the front combination lamp harness connector and ground.

Check turn signal lamp output voltage

Check turn signal lamp output voltage

  1. While the turn signal is operating, check the voltage between the rear combination lamp harness connector and ground.

Check turn signal lamp output voltage

Are the inspection results normal? YES >> GO TO 5.

NO >> GO TO 3.

3.CHECK TURN SIGNAL LAMP CIRCUIT FOR OPEN

  1.  Turn the ignition switch OFF.
  2.  Disconnect BCM harness connector E29 or B23.
  3.  Check continuity between the BCM harness connector E29 and the front combination lamp harness connector

Check turn signal lamp circuit for open

  1. Check continuity between the BCM harness connector B23 and the rear combination lamp harness connector.

Check turn signal lamp circuit for open

Are the inspection results normal? YES >> GO TO 4.

NO >> Repair or replace the harness or connectors.

4.CHECK TURN SIGNAL LAMP SHORT CIRCUIT

  1.  Check continuity between the BCM harness connector E29 and ground.

Check turn signal lamp short circuit

  1. Check continuity between the BCM harness connector M20 and ground.

Check turn signal lamp short circuit

Are the inspection results normal? YES >> Replace BCM. Refer to BCS-75, "Removal and Installation" (with Intelligent Key) or BCS-135, "Removal and Installation" (without Intelligent Key).

NO >> Repair or replace the harness or connectors.

5.CHECK TURN SIGNAL LAMP GROUND CIRCUIT

  1.  Turn the ignition switch OFF.
  2.  Check continuity between the front combination lamp harness connector or the side turn signal harness connector or the rear combination lamp harness connector in question and ground.

Check turn signal lamp ground circuit

  1. Check continuity between the rear combination lamp harness connector and ground.

Check turn signal lamp ground circuit

Are the inspection results normal? YES >> Replace the malfunctioning lamp.

NO >> Repair or replace the harness or connectors.

B121A FRONT FOG LAMP LH POWER SUPPLY CIRCUIT

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

B121A FR FOG LAMP LH PWR SPLY CIRC [CIRC SHORT TO GROUND
  • Short to ground
  • IPDM E/R
  •  Short to ground

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

  1.  Turn ignition switch ON.
  2.  Perform self-diagnostic result.

Is DTC B121A detected? YES >> Proceed to diagnosis procedure. Refer to EXL-96, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK FOG LAMP SHORT CIRCUIT TO GROUND

  1.  Disconnect fog lamp connector and IPDM E/R connector.
  2.  Check continuity between IPDM E/R harness connector and ground.

Check fog lamp short circuit to ground

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace harness.

2.CHECK FOG LAMP SHORT CIRCUIT TO GROUND

  1.  Reconnect IPDM E/R connector.
  2.  Check continuity between fog lamp harness connector and ground.

Check fog lamp short circuit to ground

Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".

NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".

B1231 DAYTIME RUNNING LIGHT RH POWER SUPPLY CIRCUIT

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

B1231 DTRL RH PWR SPLY CIRC [CIRC SHORT TO GRND] When a short circuit to ground in the daytime running lamp circuit is detected.
  • IPDM E/R
  •  Short to ground

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

  1.  Turn ignition switch ON.
  2.  Perform self-diagnostic result.

Is DTC B1231 detected? YES >> Proceed to diagnosis procedure. Refer to EXL-97, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK FRONT COMBINATION LAMP SHORT CIRCUIT TO GROUND

  1.  Disconnect front combination lamp connector and IPDM E/R connector.
  2.  Check continuity between IPDM E/R harness connector and ground.

Check front combination lamp short circuit to ground

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace harness.

2.CHECK FRONT COMBINATION LAMP SHORT CIRCUIT TO GROUND

  1.  Reconnect IPDM E/R connector.
  2.  Check continuity between front combination lamp harness connector and ground.

Check front combination lamp short circuit to ground

Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".

NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".

B1256 FRONT FOG LAMP RH POWER SUPPLY CIRCUIT

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

B1256 FR FOG LAMP RH PWR SPLY CIRC [CIRC SHORT TO GRND] When a short circuit to ground is detected.
  • IPDM E/R
  •  Short to ground

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

  1.  Turn ignition switch ON.
  2.  Perform self-diagnostic result.

Is DTC B1256 detected? YES >> Proceed to diagnosis procedure. Refer to EXL-98, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK FOG LAMP SHORT CIRCUIT TO GROUND

  1.  Disconnect fog lamp connector and IPDM E/R connector.
  2.  Check continuity between IPDM E/R harness connector and ground.

Check fog lamp short circuit to ground

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace harness.

2.CHECK FOG LAMP SHORT CIRCUIT TO GROUND

  1.  Reconnect IPDM E/R connector.
  2.  Check continuity between fog lamp harness connector and ground.

Check fog lamp short circuit to ground

Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".

NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".

B20CB DAYTIME RUNNING LIGHT LH POWER SUPPLY CIRCUIT

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

B02CB DTRL LH PWR SPLY CIRC [CIRC SHORT TO GRND] When a short circuit to ground is detected.
  • IPDM E/R
  •  Short to ground

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

  1.  Turn ignition switch ON.
  2.  Perform self-diagnostic result.

Is DTC B02CB detected? YES >> Proceed to diagnosis procedure. Refer to EXL-99, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK FRONT COMBINATION LAMP SHORT CIRCUIT TO GROUND

  1.  Disconnect front combination lamp connector and IPDM E/R connector.
  2.  Check continuity between IPDM E/R harness connector and ground.

Check front combination lamp short circuit to ground

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace harness.

2.CHECK FRONT COMBINATION LAMP SHORT CIRCUIT TO GROUND

  1.  Reconnect IPDM E/R connector.
  2.  Check continuity between fog lamp harness connector and ground.

Check front combination lamp short circuit to ground

Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".

NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".

B20CE HEADLAMP (HI) LH POWER SUPPLY CIRCUIT

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

B20CE B20CE
  • Short to ground
  • IPDM E/R
  •  Short to ground

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

  1.  Turn ignition switch ON.
  2.  Perform self-diagnostic result.

Is DTC B20CE detected? YES >> Proceed to diagnosis procedure. Refer to EXL-100, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK HEAD LAMP SHORT CIRCUIT TO GROUND

  1.  Disconnect front combination lamp connector and IPDM E/R connector.
  2.  Check continuity between IPDM E/R harness connector and ground.

Check head lamp short circuit to ground

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace harness.

2.CHECK HEAD LAMP SHORT CIRCUIT TO GROUND

  1.  Reconnect IPDM E/R connector.
  2.  Check continuity between front combination lamp harness connector and ground.

Check head lamp short circuit to ground

Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".

NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".

B20CF HEADLAMP (HI) RH POWER SUPPLY CIRCUIT

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

B20CF HL (HI) RH PWR SPLY CIRC [CIRC SHORT TO GRND]
  • Short to ground
  • IPDM E/R
  •  Short to ground

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

  1.  Turn ignition switch ON.
  2.  Perform self-diagnostic result.

Is DTC B20CF detected? YES >> Proceed to diagnosis procedure. Refer to EXL-101, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK HEAD LAMP SHORT CIRCUIT TO GROUND

  1.  Disconnect front combination lamp connector and IPDM E/R connector.
  2.  Check continuity between IPDM E/R harness connector and ground.

Check head lamp short circuit to ground

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace harness.

2.CHECK HEAD LAMP SHORT CIRCUIT TO GROUND

  1.  Reconnect IPDM E/R connector.
  2.  Check continuity between front combination lamp harness connector and ground.

Check head lamp short circuit to ground

Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".

NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".

B20D0 HEADLAMP (LO) LH POWER SUPPLY CIRCUIT

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

B20D0 HI (LO) RH PWR SPLY CIRC [CIRC SHORT TO GRND]
  • Short to ground
  • IPDM E/R
  •  Short to ground

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

  1.  Turn ignition switch ON.
  2.  Perform self-diagnostic result.

Is DTC B20D0 detected? YES >> Proceed to diagnosis procedure. Refer to EXL-102, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK FRONT COMBINATION LAMP SHORT CIRCUIT TO GROUND

  1.  Disconnect front combination lamp connector and IPDM E/R connector.
  2.  Check continuity between IPDM E/R harness connector and ground.

Check front combination lamp short circuit to ground

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace harness.

2.CHECK FRONT COMBINATION LAMP SHORT CIRCUIT TO GROUND

  1.  Reconnect IPDM E/R connector.
  2.  Check continuity between front combination lamp harness connector and ground.

Check front combination lamp short circuit to ground

Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".

NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".

B20D1 HEADLAMP (LO) RH POWER SUPPLY CIRCUIT

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

B20D1 HL (LO) RH PWR SPLY CIRC [CIRC SHORT TO GRND]
  • Short to ground
  • IPDM E/R
  •  Short to ground

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

  1.  Turn ignition switch ON.
  2.  Perform self-diagnostic result.

Is DTC B20D1 detected? YES >> Proceed to diagnosis procedure. Refer to EXL-103, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK FRONT COMBINATION LAMP SHORT CIRCUIT TO GROUND

  1.  Disconnect front combination lamp connector and IPDM E/R connector.
  2.  Check continuity between IPDM E/R harness connector and ground.

Check front combination lamp short circuit to ground

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace harness.

2.CHECK FOG LAMP SHORT CIRCUIT TO GROUND

  1.  Reconnect IPDM E/R connector.
  2.  Check continuity between fog lamp harness connector and ground.

Check fog lamp short circuit to ground

Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".

NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".

B20D2 PARKING LAMP POWER SUPPLY CIRCUIT

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

B20D2 PARKING LAMP PWR SPLY CIRC [CIRC SHORT TO GROUND] When a short to ground is detected in the parking lamp power supply circuit.
  • Short to ground

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

  1.  Turn ignition switch ON.
  2.  Perform self-diagnostic result.

Is DTC B20D2 detected? YES >> Proceed to diagnosis procedure. Refer to EXL-104, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK FRONT COMBINATION LAMP SHORT CIRCUIT TO GROUND

  1.  Disconnect front combination lamp connectors and IPDM E/R connector.
  2.  Check continuity between IPDM E/R harness connector and ground.

Check front combination lamp short circuit to ground

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace harness.

2.CHECK FRONT COMBINATION LAMP SHORT CIRCUIT TO GROUND

  1.  Reconnect IPDM E/R connector.
  2.  Check continuity between front combination lamp harness connector and ground.

Check front combination lamp short circuit to ground

Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".

NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".

B20D4 TAIL LAMP LH POWER SUPPLY CIRCUIT

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

B20D4 TAIL LAMP LH PWR SPLY CIRC [CIRC SHORT TO GRND]
  • Short to ground
  • IPDM E/R
  •  Short to ground

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

  1.  Turn ignition switch ON.
  2.  Perform self-diagnostic result.

Is DTC B20D4 detected? YES >> Proceed to diagnosis procedure. Refer to EXL-105, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK TAIL LAMP SHORT CIRCUIT TO GROUND

  1.  Disconnect rear combination lamp (LH), license plate lamps, back up lamp connectors and IPDM E/R connector.
  2. Check continuity between IPDM E/R harness connector and ground.

Check tail lamp short circuit to ground

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace harness.

2.CHECK TAIL LAMP SHORT CIRCUIT TO GROUND

  1.  Reconnect IPDM E/R connector.
  2.  Check continuity between rear combination lamp harness connector and ground.

Check tail lamp short circuit to ground

Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".

NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".

B20D5 TAIL LAMP RH POWER SUPPLY CIRCUIT

DTC Logic

DTC DETECTION LOGIC

DTC

Display Item

Malfunction detected condition

Possible causes

B20D5 TAIL LAMP RH PWR SPLY CIRC [CIRC SHORT TO GRND] When a short circuit to ground is detected in the tail lamp supply voltage circuit.
  • IPDM E/R
  •  Short to ground

DTC CONFIRMATION PROCEDURE

1.CHECK SELF-DIAGNOSTIC RESULT

With CONSULT.

  1.  Turn ignition switch ON.
  2.  Perform self-diagnostic result.

Is DTC B20D5 detected? YES >> Proceed to diagnosis procedure. Refer to EXL-106, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK TAIL LAMP SHORT CIRCUIT TO GROUND

  1.  Disconnect rear combination lamp (RH), back up lamp connectors and IPDM E/R connector.
  2.  Check continuity between IPDM E/R harness connector and ground.

Check tail lamp short circuit to ground

Is the inspection result normal? YES >> GO TO 2.

NO >> Repair or replace harness.

2.CHECK TAIL LAMP SHORT CIRCUIT TO GROUND

  1.  Reconnect IPDM E/R connector.
  2.  Check continuity between rear combination lamp harness connector and ground.

Check tail lamp short circuit to ground

Is the inspection result normal? YES >> Refer to GI-41, "Intermittent Incident".

NO >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".

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