Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Nissan 350Z. 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-II

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

ATF TEMP SE 1 REFERENCE

Item name	Condition °C (°F)	Display value (Approx.)
ATF TEMP SE 1	0 (32) - 20 (68) - 80 (176)	2.2 - 1.8 - 0.6 V

OK or NG

OK: GO TO 2.
NG: GO TO 3.

Fig 1: Scan Tool Display "Data Monitor"

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

CHECK A/T FLUID TEMPERATURE SENSOR 2 SIGNAL

With CONSULT-II

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

ATF TEMP SE 2 REFERENCE

Item name	Condition °C (°F)	Display value (Approx.)
ATF TEMP SE 2	0 (32) - 20 (68) - 80 (176)	2.2 - 1.7 - 0.45 V

OK or NG

OK: GO TO 8.
NG: GO TO 5.

Fig 2: Scan Tool Display "DTC Data Monitor"

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

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

OK or NG
- OK: GO TO 4.
- NG: Replace control valve with TCM. Refer to "CONTROL VALVE WITH TCM AND A/T FLUID TEMPERATURE SENSOR 2 ".

CHECK SUB-HARNESS

Disconnect park/neutral position switch connector and TCM connector.

Check continuity between park/neutral position switch connector terminals and TCM connector terminals.

TCM CONNECTOR TERMINALS SPECIFICATION

Item	Connector	Terminal (Wire color)	Continuity
Park/neutral position switch connector	F505	6 (G)	Yes
TCM connector	F503	19 (G)	Yes
Park/neutral position switch connector	F505	7 (OR)	Yes
TCM connector	F503	18 (OR)	Yes

Fig 3: Park/Neutral Position Switch Connector F505 Terminals 6, 7 & TCM Connector F503 Terminals 19, 18 Continuity Test

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

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.

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

OK or NG
- OK: GO TO 6.
- NG: Replace A/T fluid temperature sensor 2. Refer to "A/T FLUID TEMPERATURE SENSOR 2 REMOVAL AND INSTALLATION ".
CHECK TERMINAL CORD ASSEMBLY
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.
  
  Fig 4: A/T Fluid Temperature Sensor Connector F507 Terminals 1 & 2 & TCM Connector F502 Terminals 1 & 5 Continuity Specification Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 5: A/T Fluid Temperature Sensor Connector F507 Terminals 1 & 2 & TCM Connector F502 Terminals 1 & 5 Continuity Test
  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.
CHECK TCM POWER SUPPLY AND GROUND CIRCUIT
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 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 1.