Operation CHARM: Car repair manuals for everyone.

Diagnosis Procedure





OVERDRIVE CONTROL SWITCH


Description

- The Overdrive control switch is installed to the selector lever knob.
- When turning ON the Overdrive control switch (OD OFF indicator lamp turns ON), the driving condition becomes Overdrive OFF. When turning OFF the Overdrive control switch (OD OFF indicator lamp turns OFF), the driving condition changes to D range.





OVERDRIVE CONTROL SWITCH


Diagnosis Procedure

1. CHECK CAN COMMUNICATION CIRCUIT
Perform "Self Diagnostic Results" in "TRANSMISSION".
Is "U1000" indicated?
YES - Check CAN communication line. TM.
NO - GO TO 2.
2.CHECK COMBINATION METER
Perform "Self Diagnostic Results" in "METER/M&A".
Is the inspection result normal?
YES - GO TO 3.
NO - Check DTC detected item. Testing and Inspection.
3.CHECK OVERDRIVE CONTROL SWITCH
1. Turn ignition switch OFF.
2. Remove overdrive control switch. Without Manual Mode.
3. Check overdrive control switch. Component Inspection.
Is the inspection result normal?
YES - GO TO 4.
NO - Repair or replace damaged parts.
4.CHECK GROUND CIRCUIT (PART 1)
Check continuity between CVT shift selector vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 5.
NO - Repair or replace damaged parts.
5.CHECK GROUND CIRCUIT (PART 2)
Check voltage between CVT shift selector vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 6.
NO - Repair or replace damaged parts.
6.CHECK HARNESS BETWEEN CVT SHIFT SELECTOR AND COMBINATION METER (PART 1)
1. Disconnect combination meter connector.
2. Check continuity between CVT shift selector vehicle side harness connector terminal and combination meter vehicle side harness connector terminal.





Is the inspection result normal?
YES - GO TO 7.
NO - Repair or replace damaged parts.
7.CHECK HARNESS BETWEEN CVT SHIFT SELECTOR AND COMBINATION METER (STEP 2)
Check continuity between CVT shift selector vehicle side harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 8.
NO - Repair or replace damaged parts.
8.DETECT MALFUNCTIONING ITEMS
Check TCM connector pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES - Replace TCM. Exploded View.
NO - Repair or replace damaged parts.