DTC C2003 13: Open Circuit In Steering Switch: Notes
WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DTC C2003:13 (START STOP UNIT) DETECTION CONDITION AND POSSIBLE CAUSES
| Description |
Open circuit in steering switch |
| Detection condition |
- Start stop unit detects an open circuit in the steering switch circuit for 5 s or more
with the ignition switched ON (engine off or on).
|
| Fail-safe function |
Not applicable |
| Possible cause |
- Clock spring connector or terminal malfunction
- Clock spring malfunction
- Start stop unit connector or terminal malfunction
- Open circuit in wiring harness between the following terminals:
- Start stop unit terminal 1AA-Clock spring (start stop unit side) terminal K
- Start stop unit terminal 1AB-Clock spring (start stop unit side) terminal C
- Steering switch malfunction
- Start stop unit malfunction
|
 Courtesy of MAZDA MOTORS CORP.
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