Overdrive Control Switch

OVERDRIVE CONTROL SWITCH

Component Function Check


1. CHECK O/D OFF INDICATOR LAMP

When ignition switch is turned ON, check that O/D OFF indicator lamp in combination meter illuminates during
2 seconds approximately.
Is the inspection result normal?
YES- GO TO 2.
NO- Go to OD Off Indicator Lamp.

2. CHECK OVERDRIVE CONTROL SWITCH

1.Shift the selector lever to "D" position.
2.When overdrive control switch is operated, check that O/D OFF indicator lamp in combination meter illuminates/extinguishes.
Is the inspection result normal?
YES- INSPECTION END.
NO- Go to Diagnosis Procedure (see below).


Diagnosis Procedure


1. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect the CVT shift selector connector.
3.Turn ignition switch ON.
4.Check the voltage between CVT shift selector vehicle side harness connector terminals.





Is the inspection result normal?
YES- GO TO 2.
NO- GO TO 4.

2. CHECK OVERDRIVE CONTROL SWITCH

Check the overdrive control switch. .
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace damaged parts.

3. CHECK CVT SHIFT SELECTOR HARNESS






Check the continuity between harness plate (A) and CVT shift selector (B).





Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- Replace the CVT shift selector assembly. Exploded View.

4. CHECK GROUND CIRCUIT

Check the 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 HARNESS BETWEEN CVT SHIFT SELECTOR AND COMBINATION METER

1.Turn ignition switch OFF.
2.Disconnect the combination meter connector.
3.Check the continuity between CVT shift selector vehicle side harness connector terminal and combination meter vehicle side harness connector terminal.





4.Check continuity 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 COMBINATION METER INPUT SIGNAL

1.Connect all of the disconnected connectors.
2.Turn ignition switch ON.
3.Select "Data Monitor" in "METER/M&A".
4.Select "O/D OFF SW".
5.Check that "O/D OFF SW" turns ON/OFF when overdrive control switch is operated. Reference Value.
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- Replace the combination meter. Exploded View.


Component Inspection (Overdrive Control Switch)


1. CHECK OVERDRIVE CONTROL SWITCH






Check the continuity between wires of select lever knob (1).





Is the inspection result normal?
YES- INSPECTION END
NO- Replace the selector lever knob. Exploded View.