Security Hood Switch Circuit Troubleshooting

2011 Acura TSX Sport Wagon L4-2.4LSECTION 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 driver's under-dash fuse/relay box connector G (13P).

7. Check for continuity between driver's under-dash fuse/relay box connector G (13P) terminal No. 3 and body ground.





Is there continuity?

YES -

Repair a short to ground in the wire.�

NO -

Replace the driver's under-dash fuse/relay box, USA models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal and Installation (USA models), Canada models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal and Installation (USA models).�

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 the 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 (G302).�

12. Connect driver's under-dash fuse/relay box connector G (13P) terminal No. 3 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 -

Replace the driver's under-dash fuse/relay box, USA models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal and Installation (USA models), Canada models Drivers Under-Dash Fuse/Relay Box (Drivers MICU) Removal and Installation (USA models).�

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.