DTC B1D03-11: Headlight Hi (RH) Circuit Malfunction [Electrical Supply Unit (ESU)]: Notes
DTC B1D03-11: (ELECTRICAL SUPPLY UNIT) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Headlight HI (RH) circuit malfunction |
| Detection condition |
- Electrical supply unit (ESU) detects a short to ground in the headlight HI (RH) circuit.
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| Fail-safe |
Not applicable |
| Possible cause |
- Front combination light (RH) connector or terminal malfunction
- Electrical supply unit (ESU) connector or terminal malfunction
- Short to ground in wiring harness between front combination light (RH) terminal A and electrical supply unit (ESU) terminal 3A
- Front combination light (RH) malfunction
- Electrical supply unit (ESU) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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