Coolant Shutoff Valve Open Circuit

P1656 - 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

Steps 1 - 4: