DTC B11FD:1F [Advanced Keyless Entry And Push Button Start System]: Notes
WARNING: This page is about a different car, the 2010 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
DTC B11FD:1F (ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE
| DESCRIPTION |
Erratic signal of keyless antenna (exterior, LF) |
| DETECTION CONDITION |
- Keyless control module detects the open circuit in keyless antenna (exterior, LF) circuit.
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| POSSIBLE CAUSE |
- Front outer handle (LH) connector or terminals malfunction
- Keyless control module connector or terminals malfunction
- Short to ground in the wiring harness between the following terminals:
- Front outer handle (LH) terminal E-Keyless control module terminal 4B
- Front outer handle (LH) terminal B-Keyless control module terminal 4E
- Open circuit in the wiring harness between the following terminals:
- Front outer handle (LH) terminal E-Keyless control module terminal 4B
- Front outer handle (LH) terminal B-Keyless control module terminal 4E
- Keyless antenna (exterior, LF) malfunction
- Keyless control module malfunction
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 Courtesy of MAZDA MOTORS CORP.
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