MAIN LINE BETWEEN IPDM-E AND DLC CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair the main line between the IPDM E/R and the harness connector E152.
3.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Check the continuity between the harness connector and the data link connector.
Is the inspection result normal? YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the IPDM E/R and the data link connector.
NO >> Repair the main line between the harness connector M31 and the data link connector.
MAIN LINE BETWEEN DLC AND CCM CIRCUIT
Diagnosis Procedure
1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Is the inspection result normal? YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the data link connector and the chassis control module.
NO >> Repair the main line between the data link connector and the chassis control module.
MAIN LINE BETWEEN CCM AND 4WD CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair the main line between the chassis control module and the harness connector M69.
3.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Is the inspection result normal? YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the chassis control module and the AWD control unit.
NO >> Repair the main line between the harness connector B41 and the AWD control unit.
ECM BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the ECM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ECM. Refer to EC-165, "Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the ECM. Refer to EC-499, "Removal and Installation".
YES (Past error)>>Error was detected in the ECM branch line.
NO >> Repair the power supply and the ground circuit.
ABS BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the ABS actuator and electric unit (control unit) branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the ABS actuator and electric unit (control unit). Refer to BRC-114, "Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the ABS actuator and electric unit (control unit). Refer to BRC-136, "Removal and Installation".
YES (Past error)>>Error was detected in the ABS actuator and electric unit (control unit) branch line.
NO >> Repair the power supply and the ground circuit.
IPDM-E BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the IPDM E/R branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the IPDM E/R. Refer to PCS-34, "Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the IPDM E/R. Refer to PCS-35, "Removal and Installation".
YES (Past error)>>Error was detected in the IPDM E/R branch line.
NO >> Repair the power supply and the ground circuit.
TCM BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair the branch line between the TCM and IPDM E/R.
3.CHECK IPDM E/R (OPEN CIRCUIT)
Check the continuity between the IPDM E/R terminals.
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace the IPDM E/R.
4.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the IPDM E/R harness connector terminals.
Is the measurement value within the specification? YES >> GO TO 5.
NO >> Repair the IPDM E/R branch line.
5.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the TCM. Refer to TM-176, "Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the TCM. Refer to TM-202, "Removal and Installation".
YES (Past error)>>Error was detected in the TCM branch line.
NO >> Repair the power supply and the ground circuit.
DLC BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.
Is the measurement value within the specification? YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the data link connector branch line circuit.
NO >> Repair the data link connector branch line.
EPS BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the EPS control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the EPS control unit. Refer to STC-20, "Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the EPS control unit. Refer to STC-36, "Removal and Installation".
YES (Past error)>>Error was detected in the EPS control unit branch line.
NO >> Repair the power supply and the ground circuit.
M&A BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the combination meter branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the combination meter. Refer to MWI-59, "COMBINATION METER : Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the combination meter. Refer to MWI-82, "Removal and Installation".
YES (Past error)>>Error was detected in the combination meter branch line.
NO >> Repair the power supply and the ground circuit.
STRG BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the steering angle sensor branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the steering angle sensor. Refer to BRC-57, "Wiring Diagram".
Is the inspection result normal? YES (Present error)>>Replace the steering angle sensor. Refer to BRC-139, "Removal and Installation".
YES (Past error)>>Error was detected in the steering angle sensor branch line.
NO >> Repair the power supply and the ground circuit.
A-BAG BRANCH LINE CIRCUIT
Diagnosis Procedure
WARNING:
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Replace the main harness.
2.CHECK AIR BAG DIAGNOSIS SENSOR UNIT
Check the air bag diagnosis sensor unit. Refer to SRC-39, "Work Flow".
Is the inspection result normal? YES >> Replace the main harness.
NO >> Replace parts whose air bag system has a malfunction.
CCM BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the chassis control module branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the chassis control module. Refer to DAS-272, "Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the chassis control module. Refer to DAS-277, "Removal and Installation".
YES (Past error)>>Error was detected in the chassis control module branch line.
NG >> Repair the power supply and the ground circuit.
4WD BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the AWD control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AWD control unit. Refer to DLN-57, "Diagnosis Procedure".
Is the inspection result normal? YES (Present error)>>Replace the AWD control unit. Refer to DLN-67, "Removal and Installation".
YES (Past error)>>Error was detected in the AWD control unit branch line.
NG >> Repair the power supply and the ground circuit.
BCM BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
Is the measurement value within the specification? YES >> GO TO 3.
NO >> Repair the BCM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to the following.
Is the inspection result normal? YES (Present error)>>Replace the BCM. Refer to the following.
YES (Past error)>>Error was detected in the BCM branch line.
NO >> Repair the power supply and the ground circuit.
HVAC BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
Is the inspection result normal? YES >> GO TO 2. (With auto A/C) YES >> GO TO 3. (Without auto A/C) NO >> Repair the terminal and connector.
2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the harness and repair the root cause (CAN communication circuit 2 side). Refer to LAN- 265, "Diagnosis Procedure".
3.CHECK HARNESS FOR OPEN CIRCUIT
Is the measurement value within the specification? YES >> GO TO 4.
NO >> Repair the A/C auto amp. (With auto A/C) or front air control (Without auto A/C) branch line.
4.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the A/C auto amp. (With auto A/C) or front air control (Without auto A/C). Refer to the following.
Is the inspection result normal? YES (Present error)>>Replace the A/C auto amp. (With auto A/C) or front air control (Without auto A/C).
Refer to the following.
YES (Past error)>>Error was detected in the A/C auto amp. (With auto A/C) or front air control (Without auto A/C) branch line.
NO >> Repair the power supply and the ground circuit.
CAN COMMUNICATION CIRCUIT 1
Diagnosis Procedure
1.CONNECTOR INSPECTION
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the data link connector terminals.
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the harness and repair or replace (if shield line or fuse block (J/B) is short) the root cause.
3.CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.
Is the inspection result normal? YES >> GO TO 4.
NO >> Check the harness and repair or replace (if shield line or fuse block (J/B) is short) the root cause.
4.CHECK ECM AND BCM TERMINATION CIRCUIT
Is the measurement value within the specification? YES >> GO TO 5.
NO >> Replace the ECM and/or the BCM.
5.CHECK SYMPTOM
Connect all the connectors. Check if the symptoms described in the “Symptom (Results from interview with customer)” are reproduced.
Inspection result Reproduced>>GO TO 6.
Non-reproduced>>Start the diagnosis again. Follow the trouble diagnosis procedure when past error is detected.
6.CHECK UNIT REPRODUCTION
Perform the reproduction test as per the following procedure for each unit.
NOTE: ECM and BCM have a termination circuit. Check other units first.
NOTE: Although unit-related error symptoms occur, do not confuse them with other symptoms.
Inspection result
Reproduced>>Connect the connector. Check other units as per the above procedure.
Non-reproduced>>Replace the unit whose connector was disconnected.
CAN COMMUNICATION CIRCUIT 2
Diagnosis Procedure
1.CONNECTOR INSPECTION
Is the inspection result normal? YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Is the inspection result normal? YES >> GO TO 3.
NO >> Check the harness and repair or replace the root cause.
3.CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Is the inspection result normal? YES >> GO TO 4.
NO >> Check the harness and repair or replace the root cause.
4.CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the BCM and the ground.
Is the inspection result normal? YES >> GO TO 5.
NO >> Check the harness and repair or replace (if shield line is short) the root cause.
5.CHECK BCM TERMINATION CIRCUIT
Is the measurement value within the specification? YES >> GO TO 6.
NO >> Replace the chassis control module.
6.CHECK SYMPTOM
Connect all the connectors. Check if the symptoms described in the “Symptom (Results from interview with customer)” are reproduced.
Inspection result Reproduced>>GO TO 7.
Non-reproduced>>Start the diagnosis again. Follow the trouble diagnosis procedure when past error is detected.
7.CHECK UNIT REPRODUCTION
Perform the reproduction test as per the following procedure for each unit.
NOTE: BCM has two termination circuits. Check other units first.
NOTE: Although unit-related error symptoms occur, do not confuse them with other symptoms.
Inspection result
Reproduced>>Connect the connector. Check other units as per the above procedure.
Non-reproduced>>Replace the unit whose connector was disconnected.
Using the system
Initialization
When the ignition switch is in the ON position,
NISSAN Voice Recognition is initialized, which
takes a few seconds. When completed, the system
is ready to accept voice commands. If
the button is pressed before the
initialization
completes, the system will announce: “Voice
...
Symptom diagnosis
ENGINE DOES NOT START WHEN INTELLIGENT KEY IS INSIDE OF VEHICLE
Description
Engine does not start when push-button ignition switch is pressed while
carrying Intelligent Key.
NOTE:
Check that vehicle is under the condition shown in “Conditions
of vehicle” before starting diagnos ...
Circuit inspection
DESCRIPTION
In general, testing electrical circuits is an easy task if it is
approached in a logical and organized method.
Before beginning it is important to have all available information on the
system to be tested. Also, get a thorough
understanding of system operation. Then y ...