Security Hood Switch Circuit Troubleshooting
Keyless/Power Door Locks/Security System Symptom Troubleshooting - Security hood switch circuit troubleshooting
Security hood switch circuit troubleshooting
1. Turn the ignition switch to ON (II).
2. With the hood closed, select SECURITY with the HDS, and enter the DATA LIST.
3. Check the ON/OFF information of the SECURITY HOOD SWITCH in the DATA LIST.
Is information indicator ON?
YES -
Go to step 4.
NO -
Go to step 8.
4. Disconnect the security hood switch 2P connector.
5. Check the ON/OFF information of the SECURITY HOOD SWITCH in the DATA LIST.
Is information indicator OFF?
YES -
Faulty security hood switch; replace the hood latch Service and Repair.
NO -
Go to step 6.
6. Disconnect under-dash fuse/relay box connector G (21P).
7. Check for continuity between under-dash fuse/relay box connector G (21P) terminal No. 13 and body ground.
Is there continuity?
YES -
Repair a short to ground in the wire.
NO -
Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal And Installation.
8. Disconnect the security hood switch 2P connector.
9. Connect security hood switch 2P connector terminal No. 2 and body ground with a jumper wire.
10. Check the ON/OFF information of the SECURITY HOOD SWITCH in the DATA LIST.
Is information indicator ON?
YES -
Go to step 11.
NO -
Go to step 12.
11. Check for continuity between security hood switch 2P connector terminal No. 1 and body ground.
Is there continuity?
YES -
Faulty security hood switch; replace the hood latch Service and Repair.
NO -
Repair an open or high resistance in the ground wire or poor ground (G201).
12. Connect under-dash fuse/relay box connector G (21P) terminal No. 13 and body ground with a jumper wire.
13. Check the ON/OFF information of the SECURITY HOOD SWITCH in the DATA LIST.
Is information indicator ON?
YES -
Repair an open or high resistance in the wire.
NO -
Faulty MICU; replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal And Installation.