Diagnosis Procedure
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK ECO MODE SWITCH ILLUMINATION FUNCTION
- Turn ignition switch ON.
- Turn ON the headlamp.
- Check that the ECO mode switch illumination lights up.
Is the inspection result normal?
YES
GO TO STEP 7 .
NO
GO TO STEP 2 .
- CHECK ECO MODE SWITCH ILLUMINATION POWER SUPPLY-1
- Turn OFF the headlamp.
- Turn ignition switch OFF.
- Disconnect ECO mode switch harness connector.
- Turn ignition switch ON.
- Turn ON the headlamp.
- Check the voltage between ECO mode switch harness connector terminals.
ECO mode switch Voltage Connector + - Terminal M82 1 4 Battery voltage
Is the inspection result normal?
YES
Check intermittent incident. Refer to INTERMITTENT INCIDENT . If OK, replace ECO mode switch. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 3 .
- CHECK ECO MODE SWITCH ILLUMINATION POWER SUPPLY-2
Check the voltage between ECO mode switch harness connector and ground.
+ - Voltage ECO mode switch Connector Terminal M82 1 Ground Battery voltage Is the inspection result normal?
YES
GO TO STEP 6 .
NO
GO TO STEP 4 .
- CHECK FUSE
- Turn OFF the headlamp.
- Turn ignition switch OFF.
- Pull out #37 fuse. Refer to IPDM E/R TERMINAL ARRANGEMENT .
- Check that the fuse is not fusing.
Is the inspection result normal?
YES
GO TO STEP 5 .
NO
Replace the fuse after repair the applicable circuit.
- CHECK ECO MODE SWITCH ILLUMINATION POWER SUPPLY CIRCUIT
- Disconnect IPDM E/R harness connector E45. Refer to WIRING DIAGRAM .
- Check the continuity between IPDM E/R harness connector and ECO mode switch harness connector.
+ - Continuity IPDM E/R ECO mode switch Connector Terminal Connector Terminal E45 33 M82 1 Existed - Also check harness for short to ground.
Is the inspection result normal?
YES
Perform IPDM E/R auto active test and check tail lamp relay operation. Refer to DIAGNOSIS DESCRIPTION (with intelligent key), DIAGNOSIS DESCRIPTION (without intelligent key).
NO
Repair or replace error-detected parts.
- CHECK GROUND CIRCUIT
- Turn OFF the headlamp.
- Turn ignition switch OFF.
- Check continuity between ECO mode switch harness connector terminal and ground.
+ - Continuity ECO mode switch Connector Terminal M82 4 Ground Existed
Is the inspection result normal?
YES
Check intermittent incident. Refer to INTERMITTENT INCIDENT .
NO
Repair or replace error-detected parts.
- CHECK ECO MODE SWITCH CIRCUIT
- Turn OFF the headlamp.
- Turn ignition switch OFF.
- Disconnect ECO mode switch harness connector.
- Turn ignition switch ON.
- Check voltage between ECO mode switch harness connector terminals.
ECO mode switch Voltage (Approx.) Connector + - Terminal M82 6 8 5 V
Is the inspection result normal?
YES
GO TO STEP 11 .
NO
GO TO STEP 8 .
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Check the continuity between ECO mode switch harness connector and ground.
+ - Continuity ECO mode switch Connector Terminal M82 8 Ground Existed
Is the inspection result normal?
YES
GO TO STEP 9 .
NO
Repair or replace damaged parts.
- CHECK CIRCUIT BETWEEN COMBINATION METER AND ECO MODE SWITCH-1
- Disconnect combination meter harness connector M24.
- Check continuity between combination meter harness connector terminal and ECO mode switch harness connector terminal.
+ - Continuity Combination meter ECO mode switch Connector Terminal Connector Terminal M24 25 M82 6 Existed - Also check harness for short to power and short to ground.
Is the inspection result normal?
YES
GO TO STEP 10 .
NO
Repair or replace damaged parts.
- CHECK COMBINATION METER INPUT/OUTPUT SIGNAL
- Connect all of disconnected connectors.
- Check input/output signal of combination meter. Refer to REFERENCE VALUE .
Is the inspection result normal?
YES
Check intermittent incident. Refer to INTERMITTENT INCIDENT .
NO
Repair or replace error detected parts.
- CHECK ECO MODE SWITCH
Check ECO mode switch. Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
Check intermittent incident. Refer to INTERMITTENT INCIDENT .
NO
Replace ECO mode switch. Refer to REMOVAL AND INSTALLATION .