DTC B10A4-87: Communication Error With Swivel Actuator (RH): Notes
DTC B10A4:87 ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Communication Error With Swivel Actuator (RH) |
| Detection condition |
- The AFS control module detected communication error with the swivel actuator (RH) for 5 s or more with the ignition switched ON (engine off or on).
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| Fail-safe |
- The swivel actuator (RH) is stopped at the position when the malfunction is determined.
- The swivel actuator (LH) is moved to the center, or the swivel actuators (LH) and (RH) are moved to the center.
- Control of the headlight auto leveling system is continued with the headlight leveling actuator positioned -0.6° from where the malfunction is determined.
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| Possible cause |
- Front combination light (RH) connector or terminal malfunction
- AFS control module connector or terminal malfunction
- Short to ground in wiring harness between the following terminals:
- AFS control module terminal P and front combination light (RH) terminal J
- AFS control module terminal R and front combination light (RH) terminal L
- Short to power supply in wiring harness between the following terminals:
- AFS control module terminal P and front combination light (RH) terminal J
- AFS control module terminal R and front combination light (RH) terminal L
- Open circuit in wiring harness between the following terminals:
- AFS control module terminal P and front combination light (RH) terminal J
- AFS control module terminal R and front combination light (RH) terminal L
- Swivel actuator (RH) malfunction
- AFS control module malfunction
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 Courtesy of MAZDA MOTORS CORP.
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