Diagnosis Procedure
- 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 TRANSMISSION FLUID PRESSURE SENSOR A (SECONDARY PRESSURE SENSOR) SYSTEM
Check transmission fluid pressure sensor A (secondary pressure sensor) system. Refer to "DESCRIPTION ".
Is the inspection result normal?
YES: GO TO 3.
NO: Repair or replace damaged parts.
- CHECK TRANSMISSION FLUID PRESSURE SENSOR B (PRIMARY PRESSURE SENSOR) SYSTEM
Check transmission fluid pressure sensor B (primary pressure sensor) system. Refer to "DESCRIPTION ".
Is the inspection result normal?
YES: GO TO 4.
NO: Repair or replace damaged parts.
- CHECK PRESSURE CONTROL SOLENOID VALVE A (LINE PRESSURE SOLENOID VALVE)
- Turn ignition switch OFF.
- Disconnect CVT unit connector.
- 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 5.
NO: Repair or replace damaged parts.
- CHECK PRESSURE CONTROL SOLENOID VALVE B (SECONDARY PRESSURE SOLENOID VALVE)
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 6.
NO: Repair or replace damaged parts.
- CHECK STEP MOTOR SYSTEM
Check step motor system. Refer to "DESCRIPTION ".
Is the inspection result normal?
YES: GO TO 7.
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.