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575 Coolant Shutoff Valve - Open Circuit



P1656

575 Coolant shutoff valve - open circuit

Diagnosis conditions
- Engine running
- Battery voltage greater than 7 V
- Coolant temperature greater than 90 °C or ATF temperature > 85 °C

Possible fault cause
- Wiring harness
- DME control module
- Coolant shutoff valve

Affected terminals
Terminal IV/40

Diagnosis/troubleshooting







575 Coolant shutoff valve - below limit

Diagnosis conditions
- Engine running
- Battery voltage greater than 7 V
- Coolant temperature greater than 90 °C or ATF temperature > 85 °C

Possible fault cause
- Wiring harness
- DME control module

Affected terminals
Terminal IV/40

Diagnosis/troubleshooting







575 Coolant shutoff valve - above limit

Diagnosis conditions
- Engine running
- Battery voltage greater than 7 V

Possible fault cause
- Wiring harness
- DME control module

Affected terminals
Terminal IV/40

Diagnosis/troubleshooting