Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

CHECK A/T FLUID TEMPERATURE SENSOR SIGNAL
With CONSULT
1. Start engine.
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT.
3. Read out the value of "ATF TEMP SE 1".
  OK or NG
  
  OK: GO TO 5.
  
  NG: GO TO 2.
CHECK A/T FLUID TEMPERATURE SENSOR
Check A/T fluid temperature sensor 1. Refer to "COMPONENT INSPECTION ".

OK or NG

OK: GO TO 3.

NG: Replace the control valve with TCM. Refer to "REMOVAL AND INSTALLATION ".

CHECK SUB-HARNESS

Disconnect transmission range switch connector and TCM connector.

Check continuity between transmission range switch connector (A) terminals and TCM connector (B) terminals.

Item	Connector	Terminal	Continuity
Transmission range switch connector	F505	6	Yes
TCM connector	F503	19	Yes
Transmission range switch connector	F505	7	Yes
TCM connector	F503	18	Yes

Fig 1: Checking Continuity Between Transmission Range Switch Connector Terminals And TCM Connector Terminals

Courtesy of NISSAN NORTH AMERICA, INC.

If OK, check harness for short to ground and short to power.
OK or NG

OK: GO TO 4.

NG: Replace open circuit or short to ground and short to power in harness or connectors.

CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
1. Check TCM power supply and ground circuit. Refer to "DIAGNOSIS PROCEDURE ".
2. Reinstall any part removed.
  OK or NG
  
  OK: Replace the control valve with TCM. Refer to "REMOVAL AND INSTALLATION ".
  
  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 1.