DTC P0204:00 [MZI-3.7]: Notes
WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
DETECTION CONDITION & POSSIBLE CAUSE
| DTC P0204:00 |
Injector circuit/open-cylinder No. 4 |
| DETECTION CONDITION |
- The CCM monitors the operation of the fuel injector drivers in the PCM. The test fails if the fuel injector circuitry is inoperative.
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| POSSIBLE CAUSE |
- Fuel injector No. 4 connector or terminal malfunction
- PCM connector or terminal malfunction
- Open circuit between fuel pump relay and fuel injector No. 4 terminal B
- Open circuit between fuel injector No. 4 terminal A and PCM terminal 2BG
- Short to ground between fuel injector No. 4 terminal A and PCM terminal 2BG
- Short to power supply between fuel injector No. 4 terminal A and PCM terminal 2BG
- Fuel injector No. 4 malfunction
- PCM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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