Nissan Altima 2007-2012 Service Manual: P1701 transmission control module (power supply)

Description

When the power supply to the TCM is cut OFF, for example because the battery is removed, and the self-diagnosis memory function stops, malfunction is detected.

NOTE: Since “P1701 TCM-POWER SUPPLY” will be indicated when replacing TCM, perform diagnosis after erasing “SELF-DIAG RESULTS”

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

NOTE: If “DTC CONFIRMATION PROCEDURE” has been previously performed, always turn ignition switch OFF.

Then wait at least 10 seconds before performing the next test.

1.CHECK DTC DETECTION

1. Turn ignition switch ON.

2. Wait for at least 2 consecutive seconds.

3. Perform “SELF-DIAG RESULTS” mode for “TRANSMISSION”.

Is “P1701 TCM-POWER SUPPLY” detected? YES >> Go to TM-172, "Diagnosis Procedure".

NO >> Check intermittent incident. Refer to GI-42, "Intermittent Incident".

Diagnosis Procedure

1.CHECK TCM POWER SOURCE

1. Turn ignition switch OFF.

2. Disconnect TCM harness connector.

3. Turn ignition switch ON.

4. Check voltage between TCM harness connector F16 terminal 46, 48, 45, 47 and 5, 42.

Is the inspection result normal? YES >> GO TO 6.

NO >> GO TO 2.

2.CHECK TCM GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between TCM harness connector F16 terminal 5, 42 and ground.

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

NO >> Repair or replace damaged parts.

3.CHECK TCM POWER CIRCUIT

1. Turn ignition switch ON.

2. Check voltage between TCM harness connector F16 terminal 46, 48, 45, 47 and ground.

Is the inspection result normal? YES >> GO TO 6.

NO >> GO TO 4.

4.CHECK HARNESS BETWEEN TCM AND IPDM E/R AND BETWEEN TCM AND BATTERY (PART 1)

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R harness connector F10.

3. Check continuity between TCM harness connector F16 (A) terminal 46, 48 and IPDM E/R harness connector F10 (B) terminal 58.

4. Disconnect fuse block J/B harness connector E6.

5. Check continuity between TCM harness connector F16 terminal 45, 47 and fuse block J/B harness connector E6 terminal 12P.

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

NO >> Repair or replace damaged parts.

5.CHECK HARNESS BETWEEN TCM AND IPDM E/R AND BETWEEN TCM AND BATTERY (PART 2)

Check continuity between TCM harness connector F16 terminal 45, 46, 47, 48 and ground.

Is the inspection result normal? YES >> Check the following. If NG, repair or replace damaged parts.

• 10A fuse (No. 34, located in IPDM E/R) • 10A fuse (No. 11, located in fuse block) • Ignition switch.Refer to PG-74, "Wiring Diagram — Battery Power Supply —".

NO >> Repair or replace damaged parts.

6.DETECT MALFUNCTIONING ITEMS

Check TCM connector pin terminals for damage or loose connection with harness connector.

Is the inspection result normal? YES >> Replace TCM. Refer to TM-254, "Exploded View".

NO >> Repair or replace damaged parts.

    P0868 secondary pressure down
    Description The pressure control solenoid valve B (secondary pressure solenoid valve) regulates the secondary pressure to suit the driving condition in response to a signal sent from the TCM. DT ...

    P1705 throttle position sensor
    Description Electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throttle position sensor etc. The actuator sends a signal to the ECM, and ECM ...

    Other materials:

    Maintenance precautions
    When performing any inspection or maintenance work on your vehicle, always take care to prevent serious accidental injury to yourself or damage to the vehicle. The following are general precautions which should be closely observed. WARNING ● Park the vehicle on a level surface, apply th ...

    P0452 evap control system pressure sensor
    Description The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM increases as pressure increases. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PRECONDITIONING If DTC Confirmation Procedure has been previously cond ...

    Inspection and adjustment
    ECM RE-COMMUNICATING FUNCTION  Description Performing following procedure can automatically perform re-communication of ECM and BCM, but only when the ECM has been replaced with a new one (*1). *1: New one means an ECM which has never been energized on-board. (In this step, initiali ...