Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

CHECK A/T FLUID TEMPERATURE SENSOR 1 SIGNAL

With CONSULT

Start engine.
Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "TRANSMISSION" with CONSULT.

Read out the value of "ATF TEMP SE 1".

Item name	Condition °C (°F)	Display value (Approx.)
ATF TEMP SE 1	0 (32) - 20 (68) - 80 (176)	3.3 - 2.7 - 0.9 V

OK or NG

OK: GO TO 5.

NG: GO TO 2.

CHECK A/T FLUID TEMPERATURE SENSOR 1
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 "CONTROL VALVE WITH TCM ".

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 "CONTROL VALVE WITH TCM ".
  
  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.