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Home >> Lexus >> 2004 >> LX 470 V8-4.7L (2UZ-FE) >> Repair and Diagnosis >> Starting and Charging >> Starting System >> Ignition Switch >> Testing and Inspection >> Component Tests and General Diagnostics
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Component Tests and General Diagnostics

INSPECTION







1. INSPECT IGNITION SWITCH CONTINUITY
If continuity is not as specified, replace the switch.







2. INSPECT IGNITION SWITCH CIRCUIT
Connect the switch connector and inspect the connector on wire harness side from the back side, as shown.
If circuit is not as specified, inspect the circuits connected to other parts.




3. INSPECT IGNITION KEY ILLUMINATION OPERATION
Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 6, and check that the indicator light comes on.
If operation is not as specified, replace the switch.

4. INSPECT IGNITION KEY ILLUMINATION CIRCUIT







5. INSPECT KEY UNLOCK WARNING SWITCH CONTINUITY
If continuity is not as specified, replace the switch.
Connect the switch connector and inspect the connector on wire harness side from the back side, as shown.







6. INSPECT KEY UNLOCK WARNING SWITCH CIRCUIT
Connect the switch connector and inspect the connector on wire harness side from the back side, as shown.
If circuit is not as specified, inspect the circuits connected to other parts.
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