DTC B1207-86: Error Signal Received From SAS Control Module (ESU): Notes
DTC B1207:86 (ELECTRICAL SUPPLY UNIT) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Error signal received from SAS control module |
| Detection condition |
- The electrical supply unit (ESU) detected the following conditions for 2 s or more with the ignition switched ON (engine off or on).
- Error signal is received from SAS control module even though the collision detection unlock function presence signal received from the BCM determines that the function is present.
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| Fail-safe |
Not applicable |
| Possible cause |
- BCM connector or terminal malfunction
- Electrical supply unit (ESU) connector or terminal malfunction
- Short to ground in wiring harness between SAS control module terminal 2AE and electrical supply unit (ESU) terminal 2H
- Short to power supply in wiring harness between SAS control module terminal 2AE and electrical supply unit (ESU) terminal 2H
- Open circuit in wiring harness between SAS control module terminal 2AE and electrical supply unit (ESU) terminal 2H
- SAS control module malfunction
- Electrical supply unit (ESU) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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