Key Indicator Light Circuit Check (Key Indicator Light Does Not Light when Ignition Knob Switch Is Pushed)

Key Indicator Light Circuit Check (Key Indicator Light Does Not Light when Ignition Knob Switch Is Pushed)

Wiring Diagram










Description

When the ignition knob switch is pushed, the key indicator light lights up in blue if you carry the remote controller registered in the keyless start control module and it lights in red if you carry the remote controller which has not been registered in the keyless start control module or if you carry no remote controller.

Troubleshooting

1. Combination meter power and ground circuit check

Turn ignition switch to ON position.

Do warning lights in combination meter other than key indicator light light up?
YES -
Go to Step 2.
NO -
Check main fuse, circuit fuse, combination meter power and ground circuit.

2. Keyless start control module power and ground circuit check

Check keyless start control module power and ground circuit for condition referring to Keyless Start Control Module Power and Ground Circuit Check Keyless Start Control Module Power and Ground Circuit Check.

Is it in good condition?
YES -
Go to Step 3.
NO -
Repair circuit.

3. Steering lock unit ignition knob switch check

Check ignition knob switch of steering lock unit for operation referring to Steering Lock Unit Inspection Steering Lock Unit Inspection.

Is it in good condition?
YES -
Go to Step 4.
NO -
Replace steering lock unit.

4. Wire harness check

Turn ignition switch to OFF position.
Disconnect connectors from keyless start control module, steering lock unit and combination meter.
Check for open, short and high resistance in following circuits.
- Ignition knob switch signal circuit
- Keyless start control module and combination meter CAN communication circuit

Is each circuit in good condition?
YES -
Go to Step 5.
NO -
Repair circuit.

5. Keyless start system operation check

With remote controller of which ID code is registered in keyless start control module carried with you, try to turn ignition knob switch.

Can it be turned to any position other than "LOCK" position?
YES -
Replace combination meter.
NO -
Substitute a known-good keyless start control module and recheck.