Diagnosis Procedure
- 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 7 .
NO
GO TO 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 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 6 .
NO
GO TO 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 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 the appropriate 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 11 .
NO
GO TO 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 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 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 .