Diagnostic Procedure

With CONSULT-II 

1. Start engine.
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Read out the value of "ATF TEMP SE 1".

OK or NG 

OK : GO TO 2.

NG : GO TO  3.

Fig 1: CONSULT-II Display - Data Monitor

Courtesy of NISSAN MOTOR CO., U.S.A.

With CONSULT-II 

1. Start engine.
2. Select "ECU INPUT SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
3. Read out the value of "ATF TEMP SE 2".

OK or NG 

OK : GO TO  8.

NG : GO TO  5.

Fig 2: CONSULT-II Display - Data Monitor

Courtesy of NISSAN MOTOR CO., U.S.A.

Check A/T fluid temperature sensor 1. Refer to , "A/T FLUID TEMPERATURE SENSOR 1 "

OK or NG 

OK : GO TO 4.

NG : Replace the control valve with TCM. Refer to , "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 "

1. Disconnect park/neutral position switch connector and TCM connector.
2. Check continuity between park/neutral position switch connector terminals and TCM connector terminals.
   TERMINALS CONTINUITY CHART
   
   

   Item	Connector	Terminal	Continuity
   Park/neutral position switch connector	F505	6	Yes
   TCM connector	F503	19
   Park/neutral position switch connector	F505	7	Yes
   TCM connector	F503	18

3. If OK, check harness for short to ground and short to power.
   Fig 3: Checking Continuity Between Park/Neutral Position Switch Terminals And TCM Terminals

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK : GO TO  7.

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

Check A/T fluid temperature sensor 2. Refer to , "A/T FLUID TEMPERATURE SENSOR 2 "

OK or NG 

OK : GO TO 6.

NG : Replace the A/T fluid temperature sensor 2. Refer to , "A/T FLUID TEMPERATURE SENSOR 2 REMOVAL AND INSTALLATION "

1. Disconnect A/T fluid temperature sensor 2 connector and TCM connector.
2. Check continuity between A/T fluid temperature sensor 2 connector terminals and TCM connector terminals.
   TERMINALS CONTINUITY CHART
   
   

   Item	Connector	Terminal	Continuity
   A/T fluid temperature sensor 2 connector	F507	1	Yes
   TCM connector	F502	3
   A/T fluid temperature sensor 2 connector	F507	2	Yes
   TCM connector	F502	5

   Fig 4: Checking Continuity Between A/T Fluid Temperature Sensor 2 Terminals And TCM Terminals

   Courtesy of NISSAN MOTOR CO., U.S.A.
3. If OK, check harness for short to ground and short to power.

OK or NG 

OK : GO TO 7.

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

1. Check TCM power supply and ground circuit. Refer to , "MAIN POWER SUPPLY AND GROUND CIRCUIT "
2. Reinstall any part removed.

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.

Perform "DTC confirmation procedure".

• Refer to , "DTC CONFIRMATION PROCEDURE "

OK or NG 

OK : INSPECTION END 

NG : GO TO  1.