1.CHECK ILLUMINATION CONTROL SWITCHING OPERATION

1. Turn the ignition switch ON.
2. With operating the lighting switch, check that the push-button ignition switch illumination turns operation.

Condition | Push-button ignition switch illumination

- Ignition switch ON
- Lighting switch 1ST

ON

- Ignition switch OFF
- Lighting switch OFF
- Driver door LOCK

OFF

Is the push-button ignition switch illumination turned ON/OFF?
YES>>GO TO 2.
NO>>GO TO 3.
2.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION GROUND CIRCUIT

1. Turn the ignition switch OFF.
2. Disconnect BCM connector and the push-button ignition switch connector.
3. Check continuity between BCM harness connector and the push-button ignition switch harness connector.

BCM | Push-button ignition switch | Continuity
Connector | Terminal | Connector | Terminal
M119 | 14 | M131 | 2 | Existed

Does the continuity exist?
YES>>Replace BCM.
NO>>Repair the harness or the connector.
3.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY OUTPUT
CONSULT-III ACTIVE TEST

1. Turn the ignition switch ON.
2. Select “ENGINE SW ILLUMI” of BCM (INTELLIGENT KEY) active test item.
3. With operating the test item, check voltage between BCM harness connector and the ground.

Terminals | Test item | Voltage (Approx.)
(+) | (–)
BCM | Ground | ENGINE SW ILLUMI
Connector | Terminal
M123 | 133 | On | 9.5 V
Off | 0 V

Is the measurement value normal?
YES>>GO TO 4.
NO>>GO TO 5.
4.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY OPEN CIRCUIT

1. Turn the ignition switch OFF.
2. Disconnect BCM connector and the push-button ignition switch connector.
3. Check continuity between BCM harness connector and the push-button ignition switch harness connector.

BCM | Push-button ignition switch | Continuity
Connector | Terminal | Connector | Terminal
M123 | 133 | M131 | 3 | Existed

Does the continuity exist?
YES>>Replace the push-button ignition switch.
NO>>Repair the harness or the connector.
5.CHECK PUSH-BUTTON IGNITION SWITCH ILLUMINATION POWER SUPPLY SHORT CIRCUIT

1. Turn the ignition switch OFF.
2. Disconnect BCM connector and the push-button ignition switch connector.
3. Check continuity between BCM harness connector and the ground.

BCM | Ground | Continuity
Connector | Terminal
M123 | 133 | Not existed

Does the continuity exist?
YES>>Repair the harness or the connector.
NO>>Replace BCM.