Overdrive Control Switch
OVERDRIVE CONTROL SWITCH
Component Function Check
1. CHECK OD OFF INDICATOR LAMP FUNCTION
Check OD OFF indicator lamp turns ON for approx. 2 seconds when ignition switch turns ON.
Is the inspection results normal?
YES- GO TO 2.
NO- Go to "Diagnosis Procedure" OD Off Indicator Lamp.
2. CHECK OVERDRIVE CONTROL SWITCH FUNCTION
1.Shift the selector lever to "D" position.
2.Check that OD OFF indicator lamp turns ON/OFF when overdrive control switch is operated.
Is the inspection results normal?
YES- INSPECTION END
NO- Go to "Diagnosis Procedure" .
Diagnosis Procedure
1. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT
1.Turn ignition switch OFF.
2.Disconnect CVT shift selector connector.
3.Turn ignition switch ON.
4.Check voltage between CVT shift selector harness connector terminals.
Is the inspection result normal?
YES- GO TO 2.
NO- GO TO 4.
2. CHECK OVERDRIVE CONTROL SWITCH
Check overdrive control switch. Refer to "Component Inspection (Overdrive Control Switch)" .
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace malfunctioning parts.
3. CHECK GROUND CIRCUIT
Check continuity between CVT shift selector harness connector terminal and ground.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace malfunctioning parts.
4. CHECK CIRCUIT BETWEEN COMBINATION METER AND CVT SHIFT SELECTOR (PART 1)
1.Turn ignition switch OFF.
2.Disconnect combination meter connector.
3.Check continuity between combination meter harness connector terminal and CVT shift selector harness connector terminal.
*1: TYPE A (Refer to "Information" Type A.)
*2: TYPE B (Refer to "Information" Type B.)
Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace malfunctioning parts.
5. CHECK CIRCUIT BETWEEN COMBINATION METER AND CVT SHIFT SELECTOR (PART 2)
Check continuity between combination meter harness connector terminal and ground.
*1: TYPE A (Refer to "Information" Type A.)
*2: TYPE B (Refer to "Information" Type B.)
Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace malfunctioning parts.
6. CHECK COMBINATION METER INPUT SIGNAL
1.Connect all of 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. Refer to "Reference Value" Type B.
Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace combination meter. Refer to "Removal and Installation" Type B.
Component Inspection (Overdrive Control Switch)
1. CHECK OVERDRIVE CONTROL SWITCH
Check continuity between wires of selector lever knob (1)
Is the inspection result normal?
YES- INSPECTION END
NO- Replace selector lever knob. Refer to "Removal and Installation" Removal And Installation.