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 PRESSURE CONTROL SOLENOID VALVE A SIGNAL
With CONSULT-II
- After warming up the engine and transaxle, turn ignition switch "OFF".
- Turn ignition switch "ON". (Do not start engine.)
- Select "DATA MONITOR" mode for "A/T" with CONSULT-II.
- Read out the value of "PC SOL A OUT" and "PC SOL A MON".
Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-II
- Start the engine.
- Check pulse between TCM connector terminals 35 and 40.
Courtesy of NISSAN MOTOR CO., U.S.A.
PULSE (HERTZ) SPECIFICATIONS - TCM CONNECTOR TERMINALS 35 & 40Connector Terminal (Wire color) Condition Data (Approx.) E142 35 (L/Y) - 40 (L/G) When engine is running with idle speed and setting selector lever to "P" position. 300 Hz
OK or NG
- OK : GO TO 7.
- NG : GO TO 2.
- CHECK PRESSURE CONTROL SOLENOID VALVE A CIRCUIT
- Turn ignition switch "OFF".
- Disconnect the TCM connector.
- Check resistance between TCM connector terminals 35 and 40.
Courtesy of NISSAN MOTOR CO., U.S.A.
RESISTANCE SPECIFICATIONS - TCM CONNECTOR TERMINALS 35 & 40Connector Terminal (Wire color) Condition Resistance (Approx.) E142 35 (L/Y) - 40 (L/G) Temperature: 20°C (68°F) 5.0 - 5.6 Ω
OK or NG
- OK : GO TO 7.
- NG : GO TO 3.
- CHECK TERMINAL CORD ASSEMBLY WITH PRESSURE CONTROL SOLENOID VALVE A
- Turn ignition switch "OFF".
- Disconnect terminal cord assembly harness connector.
- Check resistance between terminals 3 and 6.Fig 5: Checking Resistance Between Pressure Control Solenoid Valve A, Terminal Cord Assembly Harness Connector Terminals 3 & 6
Courtesy of NISSAN MOTOR CO., U.S.A.
RESISTANCE SPECIFICATIONS - PRESSURE CONTROL SOLENOID VALVE A, TERMINALS 3 & 6Connector Terminal Condition Resistance (Approx.) F62 3 - 6 Temperature: 20°C (68°F) 5.0 - 5.6 Ω
OK or NG
- OK : GO TO 4.
- NG : GO TO 5.
- CHECK HARNESS BETWEEN TCM AND TERMINAL CORD ASSEMBLY
Check the following.
- Open or short-circuit in the harness between TCM and terminal cord assembly.
OK or NG
- OK : GO TO 7.
- NG : Repair or replace damaged parts.
- CHECK PRESSURE CONTROL SOLENOID VALVE A
- Remove side cover. Refer to SIDE COVER .
- Disconnect pressure control solenoid valve A harness connector.
- Check resistance between terminals 1 and 2.Fig 6: Checking Resistance Between Pressure Control Solenoid Valve A Harness Connector Terminals 1 & 2
Courtesy of NISSAN MOTOR CO., U.S.A.
RESISTANCE SPECIFICATIONS - PRESSURE CONTROL SOLENOID VALVE A HARNESS CONNECTOR TERMINALS 1 & 2Connector Terminal Condition Resistance (Approx.) F72 1 - 2 Temperature: 20°C (68°F) 5.0 - 5.6 Ω
OK or NG
- OK : GO TO 6.
- NG : Replace the control valve assembly. Refer to CONTROL VALVE ASSEMBLY .
- CHECK HARNESS BETWEEN TERMINAL CORD ASSEMBLY AND PRESSURE CONTROL SOLENOID VALVE A
Check the following.
- Open or short-circuit in the harness between terminal cord assembly and pressure control solenoid valve A.
OK or NG
- OK : GO TO 7.
- NG : Repair or replace transmission wire. Refer to TRANSMISSION WIRE .
- CHECK DTC
Perform "DTC Confirmation Procedure". Refer to DTC CONFIRMATION PROCEDURE .
OK or NG
- OK : INSPECTION END
- NG : GO TO 8.
- CHECK TCM
- Check TCM input/output signal. Refer to TCM INPUT/OUTPUT SIGNAL REFERENCE VALUES .
- 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.