DTC U300A-62; IG1 Relay Circuit Malfunction: Notes
WARNING: This page is about a different car, the 2017 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSE
| Description |
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| Detection condition |
- Any of the following conditions is met.
- Power liftgate (PLG) control module detects an open circuit or short to ground in IG1 relay circuit for 5 s or more with the ignition switched ON (engine off or on).
- Power liftgate (PLG) control module detects a short to power supply in IG1 relay circuit for 1 s or more with the ignition switched off.
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| Fail-safe |
- Stops the power liftgate (PLG) system operation.
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| Possible cause |
- IG1 relay malfunction
- Short to ground in wiring harness between MAIN 200 A fuse and IG1 relay terminal D
- Open circuit in wiring harness between battery positive terminal and IG1 relay terminal D
- Power liftgate (PLG) control module connector or terminal malfunction
- Wiring harness between IG1 relay terminal C and power liftgate (PLG) control module terminal 1AD malfunction
- Short to ground in wiring harness between IG1 relay terminal C and power liftgate (PLG) control module terminal 1AD malfunction
- C/U IG1 15 A fuse malfunction
- Short to power supply in wiring harness between IG1 relay terminal C and power liftgate (PLG) control module terminal 1AD
- Open circuit in wiring harness between IG1 relay terminal C and power liftgate (PLG) control module terminal 1AD
- Power liftgate (PLG) control module malfunction
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