H22 Check Pump Motor Speed Sensor

- Disconnect 4-pin plug on pump motor.

Pump Motor Connector:

- Measure resistance between pins S0 and S1 on pump motor.

- Is resistance between 5 and 100 ohms?

YES -- Service circuit 462 (P) or 604 (O/R) for open. Restore vehicle. Retest system.

NO -- Replace pump motor. Restore vehicle. Retest system.