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Brake Signal: Testing and Inspection


Inspection

1. Depress the brake pedal and check brake light operation. Make sure the brake lights go out when the pedal is released.
2. If the brake lights stay on when the pedal is released check adjustment and operation of switch.
3. If brake lites do not come on when the pedal is depressed, check STOP/HORN fuse (15 A) in underhood fuse/relay box. IF fuse ok, check switch operation and for power at WHITE/YELLOW wire at switch.

NOTE:Defective brake light bulbs may cause brake lights to not illuminate but will not affect Brake Switch Signal to the Programmed Fuel Injection Electronic Control Module (PGM-FI ECM).

PGM-FI ECM Connector Description And Wire Location:





4. If all tests indicate no problem but symptom still exists install PGM-FI ECM test harness to harness only (not the PGM-FI ECM) and test for battery voltage between terminals D2 and A26 with brake pedal depressed. If no voltage measured repair GREEN/WHITE wire between the brake switch and the PGM-FI ECM as needed.



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