Diagnosis Procedure

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK LINE PRESSURE
Perform line pressure test. Refer to "INSPECTION AND JUDGMENT ".

Is the inspection result normal?

YES: GO TO 2.

NO: Repair or replace damaged parts. Refer to "INSPECTION AND JUDGMENT ".
CHECK TORQUE CONVERTER CLUTCH SOLENOID VALVE
1. Turn ignition switch OFF.
2. Disconnect CVT unit connector.
3. Check torque converter clutch solenoid valve. Refer to "COMPONENT INSPECTION (TORQUE CONVERTER CLUTCH SOLENOID VALVE) ".
Is the inspection result normal?

YES: GO TO 3.

NO: Replace transaxle assembly. Refer to "EXPLODED VIEW ".
CHECK LOCK UP SELECT SOLENOID VALVE
Check lock up select solenoid valve. Refer to "COMPONENT INSPECTION (LOCK UP SELECT SOLENOID VALVE) ".

Is the inspection result normal?

YES: GO TO 4.

NO: Replace transaxle assembly. Refer to "EXPLODED VIEW ".
CHECK OUTPUT SPEED SENSOR (SECONDARY SPEED SENSOR) SYSTEM
Check output speed sensor (secondary speed sensor) system. Refer to "DTC LOGIC ".

Is the inspection result normal?

YES: GO TO 5.

NO: Repair or replace damaged parts.
CHECK INPUT SPEED SENSOR (PRIMARY SPEED SENSOR) SYSTEM
Check input speed sensor (primary speed sensor) system. Refer to "DTC LOGIC ".

Is the inspection result normal?

YES: GO TO 6.

NO: Repair or replace damaged parts.
DETECT MALFUNCTIONING ITEMS
Check TCM connector pin terminals for damage or loose connection with harness connector.

Is the inspection result normal?

YES: Replace TCM. Refer to "EXPLODED VIEW ".

NO: Repair or replace damaged parts.