Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK TURBINE REVOLUTION SENSOR CIRCUIT

With CONSULT-II

Start engine.
Select "DATA MONITOR" mode for "A/T" with CONSULT-II.

Fig 1: CONSULT-II Display - DATA MONITOR
Courtesy of NISSAN MOTOR CO., U.S.A.

Drive vehicle and read out the value of "TURBINE REV".

MONITOR ITEM - TURBINE REV

Monitor item	Condition	Specification
TURBINE REV	During driving (lock-up ON)	Approximately matches the engine speed.

Without CONSULT-II

Start the engine.

Check pulse between TCM connector terminals 23 and 30.

Fig 2: Checking Pulse (Hertz) Between TCM Connector Terminals 23 & 30

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

PULSE DESCRIPTION - TCM CONNECTOR TERMINALS 23 & 30

Connector	Terminal (Wire color)	Condition	Data (Approx.)
E142	23 (G) - 30 (R) (ground)	When moving at 20 km/h (12 MPH) in 1st gear.	371 Hz

OK or NG

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

DETECT MALFUNCTIONING ITEM
Check the following.
- Open or short-circuit in the harness between TCM and turbine revolution sensor.
- Turbine revolution sensor. Refer to COMPONENT INSPECTION .
OK or NG
- OK : GO TO 3.
- 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 4.
CHECK TCM
1. Check TCM input/output signal. Refer to TCM INPUT/OUTPUT SIGNAL REFERENCE VALUES .
2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.
OK or NG
- OK : INSPECTION END
- NG : Repair or replace damaged parts.