Diagnostic Procedure
WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK INPUT SIGNAL
With CONSULT-II
- Start engine.
- Select "ECU INPUT SIGNALS" or "MAIN SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
- Drive vehicle in the "D" position (1st => 2nd gear), and confirm the ON/OFF actuation of the "ATF PRES SW 5".ITEM CONDITION SPECIFICATION
Item name Condition Display value ATF PRES SW 5 Direct clutch engaged. Refer to CLUTCH AND BAND CHART (FLOOR SHIFT MODELS) and CLUTCH AND BAND CHART (COLUMN SHIFT MODELS) . ON Direct clutch disengaged. Refer to CLUTCH AND BAND CHART (FLOOR SHIFT MODELS) and CLUTCH AND BAND CHART (COLUMN SHIFT MODELS) . OFF
OK or NG
OK: GO TO 4.
NG: GO TO 2.
- CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
Check TCM power supply and ground circuit. Refer to "MAIN POWER SUPPLY AND GROUND CIRCUIT ".
OK or NG
OK: GO TO 3.
NG: Repair or replace damaged parts.
- DETECT MALFUNCTIONING ITEM
Check the following items:
- The A/T assembly harness connector pin terminals for damage or loose connection with harness connector.
OK or NG
OK: Replace the control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".
NG: Repair or replace damaged parts.
- CHECK DTC
Perform "DTC Confirmation Procedure".
- Refer to "DTC CONFIRMATION PROCEDURE ".
OK or NG
OK: INSPECTION END
NG: GO TO 2.