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 PRESSURE CONTROL SOLENOID VALVE B (SECONDARY PRESSURE SOLENOID VALVE)
1. Turn ignition switch OFF.
2. Disconnect CVT unit connector.
3. Check pressure control solenoid valve B (secondary pressure solenoid valve). Refer to "COMPONENT INSPECTION [PRESSURE CONTROL SOLENOID VALVE B (SECONDARY PRESSURE SOLENOID VALVE)] ".
Is the inspection result normal?

YES: GO TO 3.

NO: Replace transaxle assembly. Refer to "EXPLODED VIEW ".
CHECK PRESSURE CONTROL SOLENOID VALVE A (LINE PRESSURE SOLENOID VALVE)
Check pressure control solenoid valve A (line pressure solenoid valve). Refer to "COMPONENT INSPECTION [PRESSURE CONTROL SOLENOID VALVE A (LINE PRESSURE SOLENOID VALVE)] ".

Is the inspection result normal?

YES: GO TO 4.

NO: Replace transaxle assembly. Refer to "EXPLODED VIEW ".
CHECK TRANSMISSION FLUID PRESSURE SENSOR A (SECONDARY PRESSURE SENSOR) SYSTEM
Check transmission fluid pressure sensor A (secondary pressure sensor) system. Refer to "DTC LOGIC ".

Is the inspection result normal?

YES: GO TO 5.

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.