DTC B109A 12: Headlight Hi Relay Circuit Malfunction: Notes
DTC B109A 12 DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Headlight HI relay circuit malfunction |
| Detection condition |
- Front body control module (FBCM) detects a short to power supply in the headlight HI relay circuit with the ignition switched ON (engine off or on).
|
| Fail-safe function |
Not applicable |
| Possible cause |
- Headlight HI relay malfunction
- Front body control module (FBCM) connector or terminal malfunction
- Short to power supply in the wiring harness between headlight HI relay terminal E and front body control module (FBCM) terminal 2X
- Front body control module (FBCM) malfunction
|
 Courtesy of MAZDA MOTORS CORP.
|