B236A WINDOW WASHER MOTOR 1CONTROL CIRCUIT OPEN
For a complete wiring diagram Refer to Section 8W
| Possible Causes |
| FUSED ACCESSORY RELAY OUTPUT CIRCUIT |
| (W10) FRONT WASHER PUMP MOTOR CONTROL CIRCUIT OPEN |
| (W10) FRONT WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE |
| FRONT WASHER PUMP MOTOR |
| TOTALLY INTEGRATED POWER MODULE |
| WIRING AND CONNECTORS |
Diagnostic Test
1. CONDITION PRESENTIgnition on, engine off.
Press the Front Washer Switch.
Does the Front Washer Motor Function?
Yes
- Go To2
No
- Go To3
2. INTERMITTENT WIRING AND CONNECTORS
Turn the ignition on.
With the scan tool, erase all TIPM DTCs.
Turn the ignition off.
The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this circuit.
Wiggle the wiring while checking for shorts and open circuits.
Were there any problems found?
Yes
- Repair as necessary.
- Perform BODY VERIFICATION TEST - VER 1.
No
- Test Complete.
3. FUSED ACCESSORY RELAY OUTPUT CIRCUIT
Turn the ignition off to the lock position.
Disconnect the Front Washer Pump Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Ignition on, engine off.
Using a 12-volt test light connected to ground, check the Fused Accessory Relay Output circuit in the Front Washer Pump Motor harness connector.
Does the test light illuminate brightly?
Yes
- Go To4
No
- Repair the Fused Accessory Relay Output circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1.
4. (W10) FRONT WASHER PUMP MOTOR CONTROL
Turn the ignition off to the lock position.
Disconnect the Front Washer Pump Motor harness connector.
Ignition on, engine off.
Using a 12-volt test light connected to 12 Volts, check the (W10) Front Washer Pump Motor Control circuit in the Front Washer Pump Motor harness connector while pressing the Front Washer Switch.
Does the test light illuminate brightly?
Yes
- Replace the Front Washer Pump Motor in accordance with the Service Information.
- Perform BODY VERIFICATION TEST - VER 1.
No
- Go To5
5. (W10) FRONT WASHER PUMP MOTOR CONTROL CIRCUIT OPEN
Turn the ignition off to the lock position.
Disconnect the TIPM C1 harness connector.
Disconnect the Front Washer Pump Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance of the (W10) Front Washer Pump Motor Control Circuit from the TIPM C1 connector to the Front Washer Pump Motor harness connector.
Is the resistance above 5.0 ohms?
Yes
- Repair the (W10) Front Washer Pump Motor Control Circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1.
No
- Go To6
6. (W10) FRONT WASHER PUMP MOTOR CONTROL CIRCUIT SHORT TO VOLTAGE
Turn the ignition off to the lock position.
Disconnect the TIPM C1 harness connector.
Disconnect the Front Washer Pump Motor harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Using a 12-volt test light connected to ground, check the (W10) Front Washer Pump Motor Control circuit.
Does the test light illuminate brightly?
Yes
- Repair the (W10) Front Washer Pump Motor Control Circuit for a short to voltage.
- Perform BODY VERIFICATION TEST - VER 1.
No
- Replace the Totally Integrated Power Module (TIPM) in accordance with the Service Information.
- Perform BODY VERIFICATION TEST - VER 1.