Nissan Altima 2007-2012 Service Manual: TCM branch line circuit

Diagnosis Procedure

INSPECTION PROCEDURE

1.CHECK CONNECTOR

1. Turn the ignition switch OFF.

2. Disconnect the battery cable from the negative terminal.

3. Check the following terminals and connectors for damage, bend and loose connection (unit side and connector side).

- TCM

- Harness connector F1

- Harness connector E3

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

NO >> Repair the terminal and connector.

2.CHECK HARNESS FOR OPEN CIRCUIT

1. Disconnect the connector of TCM.

2. Check the resistance between the TCM harness connector terminals.

Is the measurement value within the specification? YES >> GO TO 3.

NO >> Repair the TCM branch line.

3.CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the TCM. Refer to the following.

• QR25DE models: TM-380, "Wiring Diagram - CVT CONTROL SYSTEM - Coupe" or TM-389, "Wiring Diagram - CVT CONTROL SYSTEM - Sedan" • VQ35DE models: TM-202, "Wiring Diagram—CVT CONTROL SYSTEM—Coupe" or TM-211, "Wiring Diagram— CVT CONTROL SYSTEM—Sedan" Is the inspection result normal? YES (Present error)>>Replace the TCM. Refer to the following.

• QR25DE models: TM-430, "Exploded View" • VQ35DE models: TM-254, "Exploded View" YES (Past error)>>Error was detected in the TCM branch line.

NO >> Repair the power supply and the ground circuit.

    ABS branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors ...

    IPDM-E branch line circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors o ...

    Other materials:

    Passenger side
    Description • BCM supplies power. • Power window motor RH will be operated if power window and door lock/unlock switch RH is operated. Component Function Check Power Window And Door Lock/Unlock Switch RH 1. CHECK POWER WINDOW MOTOR RH FUNCTION Does power window motor RH operate with p ...

    Normal operating condition
    Description AUDIO SYSTEM The majority of the audio troubles are the result of outside causes (bad CD, electromagnetic interference, etc.). Noise The following noise results from variations in field strength, such as fading noise and multi-path noise, or external noise from trains and oth ...

     button
    To change the display brightness, press the button. Pressing the button again will change the display to the day or the night display. If no operation is performed within 5 seconds, the display will return to the previous display. Press and hold the button for more than two seconds to ...