U1000 CAN COMM CIRCUIT
Description
Refer to LAN-8, "System Description".
DTC Logic
DTC DETECTION LOGIC
NOTE: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symptoms and a present DTC by performing the Self Diagnostic Result procedure.
CONSULT Display |
DTC Detection Condition |
Possible cause |
CAN COMM CIRCUIT [U1000] | When any listed module cannot communicate with CAN communication signal continuously for 2 seconds or more with ignition switch ON. | In CAN communication system, any item (or items)
of the following listed below is malfunctioning.
|
Diagnosis Procedure
1. PERFORM SELF DIAGNOSTIC
Is “CAN COMM CIRCUIT” displayed? YES >> Perform CAN Diagnosis as described in DIAGNOSIS section of CONSULT Operation Manual.
NO >> Refer to GI-41, "Intermittent Incident".
U1010 CONTROL UNIT (CAN)
DTC Logic
DTC DETECTION LOGIC
DTC DETECTION LOGIC |
DTC Detection Condition |
DTC Detection Condition |
CAN COMM CIRCUIT [U1010] | BCM detected internal CAN communication circuit malfunction. | BCM detected internal CAN communication circuit malfunction. |
Diagnosis Procedure
1. REPLACE BCM
When DTC U1010 is detected, replace BCM.
>> Replace BCM. Refer to BCS-135, "Removal and Installation".
U0415 VEHICLE SPEED SIG
Description
U0415 is displayed if any unusual condition is present in the reception status of the vehicle speed signal from the ABS actuator and electric unit (control unit).
DTC Logic
DTC DETECTION LOGIC
NOTE:
CONSULT Display |
DTC Detection Condition |
Possible Cause |
VEHICLE SPEED SIG [U0415] | When the vehicle speed signal received from the ABS actuator and electric unit (control unit) remains abnormal for 2 seconds or more. |
|
DTC CONFIRMATION PROCEDURE
1. DTC CONFIRMATION
Is any DTC detected? YES >> Refer to BCS-108, "DTC Index".
NO >> Inspection End.
Diagnosis Procedure
1. ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF DIAGNOSTIC RESULT
Perform Self Diagnostic Result of ABS with CONSULT. Refer to BRC-44, "CONSULT Function".
Is any DTC detected? YES >> Perform the trouble diagnosis related to the detected DTC. Refer to BRC-55, "DTC Index".
NO >> GO TO 2.
2. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT
Check ABS actuator and electric unit (control unit) power and ground. Refer to BRC-80, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3. COMBINATION METER SELF DIAGNOSTIC RESULT
Perform Self Diagnostic Result of METER M&A with CONSULT. Refer to MWI-21, "CONSULT Function (METER/M&A)".
Is any DTC detected? YES >> Perform the trouble diagnosis related to the detected DTC. Refer to MWI-30, "DTC Index".
NO >> Refer to GI-41, "Intermittent Incident".
B2562 LOW VOLTAGE
DTC Logic
DTC DETECTION LOGIC
CONSULT Display |
DTC Detection Condition |
Possible cause |
LOW VOLTAGE [B2562] | When the power supply voltage to BCM remains less than 8.8V for 120 seconds or more. |
|
DTC CONFIRMATION PROCEDURE
1. DTC CONFIRMATION
Is any DTC detected? YES >> Refer to BCS-127, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1. CHECK BATTERY VOLTAGE
Check battery voltage.
Is battery voltage less than 8.8V? YES >> Charge battery and retest. Refer to CHG-11, "Work Flow (With EXP-800 NI or GR8-1200 NI)" or CHG-14, "Work Flow (Without EXP-800 NI or GR8-1200 NI)".
NO >> GO TO 2.
2. CHECK POWER SUPPLY AND GROUND CIRCUIT
Check BCM power supply and ground circuit. Refer to BCS-128, "Diagnosis Procedure".
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3. BCM SELF DIAGNOSTIC RESULT
Perform Self Diagnostic Result of BCM with CONSULT. Refer to BCS-92, "BCM : CONSULT Function (BCM - BCM)".
Is DTC B2562 CRNT? YES >> Replace BCM. Refer to BCS-135, "Removal and Installation".
NO >> Refer to GI-41, "Intermittent Incident".
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-110, "Wiring Diagram".
1. CHECK FUSE
Check that the following fuse is not blown.
Is the fuse blown? YES >> Replace the blown fuse after repairing the affected circuit.
NO >> GO TO 2.
2. 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.
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connectors.
COMBINATION SWITCH INPUT CIRCUIT
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-110, "Wiring Diagram".
1. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace harness or connectors.
2. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check continuity between BCM connector M18 and ground.
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace harness or connectors.
2. CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check continuity between BCM connector M18 and ground.
Is the inspection result normal? YES >> Replace the combination switch. Refer to BCS-136, "Removal and Installation".
NO >> Replace BCM. Refer to BCS-135, "Removal and Installation".
COMBINATION SWITCH OUTPUT CIRCUIT
Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-110, "Wiring Diagram".
1. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair or replace harness or connectors.
2. CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check continuity between BCM connector M19 and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3. CHECK BCM INPUT VOLTAGE
Is the inspection result normal? YES >> Replace BCM. Refer to BCS-135, "Removal and Installation".
NO >> Replace the combination switch. Refer to BCS-136, "Removal and Installation".
Symptom diagnosis
COMBINATION SWITCH SYSTEM SYMPTOMS
Symptom Table
Perform the data monitor of CONSULT to check for any malfunctioning
item.
Check the malfunction combinations.
Identify the malfunctioning part from the agreed combination and repair
or replace the part.
NORMAL OPERA ...
Preparation
Special Service Tool
The actual shapes of the tools may differ from those illustrated here.
Tool number
(TechMate No.)
Tool name
Description
—
(J-39570)
Chassis Ear
Locating the noise
—
(J-50397)
NISSAN Squeak and Rattle Kit
...
Brake master cylinder
Exploded View
Reservoir cap
Oil strainer
Reservoir tank
Brake fluid level sensor
Cylinder body
Pin
O-ring
Grommet
: Apply PBC (Poly Butyl
Cuprysil) grease or silicone-based grease.
: Apply brake fluid.
Removal and Installation
REMOVAL
CAUTION:
Do ...