Inspection Procedure
WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
When using the intelligent tester, start from 1. When not using the intelligent tester, start from 2.
- READ VALUE OF INTELLIGENT TESTER (ENGINE HOOD COURTESY SWITCH)
- Check the DATA LIST for proper functioning of the engine hood courtesy switch.
Theft warning ECU assembly
THEFT WARNING ECU ASSEMBLYItem Measurement Item / Display (Range) Normal Condition Diagnostic Note HOOD COURTESY SW Engine hood courtesy switch signal / ON or OFF ON: Engine hood is open
OFF: Engine hood is closed- OK: On tester screen, item changes between ON and OFF according to THEFT WARNING ECU ASSEMBLY .
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE
NG: GO TO NEXT STEP
- Check the DATA LIST for proper functioning of the engine hood courtesy switch.
- INSPECT HOOD LOCK ASSEMBLY (ENGINE HOOD COURTESY SWITCH)
- Measure the resistance of the switch.
Standard resistance
TESTER CONNECTION AND SPECIFIED CONDITION TABLETester Connection Condition Specified Condition 1 - 2 LOCK 10 kΩ or higher UNLOCK Below 1 Ω
NG: REPLACE HOOD LOCK ASSEMBLY
OK: GO TO NEXT STEP
- Measure the resistance of the switch.
- CHECK WIRE HARNESS (SWITCH - ECU AND BODY GROUND)
- Disconnect the E3 switch connector.
- Disconnect the T5 ECU connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance
WIRE HARNESS (SWITCH - ECU AND BODY GROUND)Tester Connection Specified Condition E3-1 - T5-34 (DSWH) Below 1 Ω E3-2 - Body ground
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE