The horn does not sound when the PANIC button on the transmitter is pressed
The horn does not sound when the PANIC button on the transmitter is pressedNOTE: Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated, troubleshoot the indicated DTC first.
1. Press the PANIC button.
Does the horn sound?
YES - Go to step 3.
NO - Go to step 2.
2. Press the horn button.
Does the horn sound?
YES - Go to step 3.
NO - Check the horn circuit.
3. Turn the headlight switch ON.
Do the headlights come on?
YES - Go to step 4.
NO - Check the lighting circuit.
4. Do the transmitter test.
Is the transmitter OK?
YES - Substitute a known-good MICU and recheck.
NO - Replace the transmitter.