DTC C1186, C1266 [Abs/TCS]: Notes
DTC C1186, C1266 [ABS/TCS] DETECTION CONDITION AND POSSIBLE CAUSES
| DTC C1186, C1266 |
Fail-safe relay |
| DETECTION CONDITION |
- C1186:
- Fail-safe relay in ABS/TCS HU/CM stuck OFF when ignition key is turned ON, fail-safe relay ON is commanded.
- C1266:
- Fail-safe relay in ABS/TCS HU/CM stuck ON when ignition key is turned ON, fail-safe relay OFF is commanded.
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| POSSIBLE CAUSE |
- Malfunction of fuse (ABS 60 A)
- Open circuit in harness between ABS/TCS HU/CM terminal AA and battery positive terminal
- Open circuit or short of fail-safe relay in ABS/TCS HU/CM
- Stuck fail-safe relay in ABS/TCS HU/CM
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 Courtesy of MAZDA MOTORS CORP.
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