B2323–HEADLAMP WASHER MOTOR CONTROL CIRCUIT LOW
For a complete wiring diagram Refer to Section 8W.
Possible Causes
|
(W28) HEADLAMP WASHER RELAY SUPPLY CIRCUIT OPEN
|
(W20) HEADLAMP WASHER RELAY CONTROL CIRCUIT SHORT TO GROUND
|
HEADLAMP WASHER RELAY
|
HEADLAMP WASHER MOTOR
|
TOTALLY INTEGRATED POWER MODULE
|
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, clear all DTC's.
Turn the Headlamp Washers on.
With the scan tool read DTC's.
Does the scan tool display this DTC as active?
Yes
No
-
The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced,
pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
-
Perform the BODY VERIFICATION TEST-VER1.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
2.
(W28) HEADLAMP WASHER RELAY SUPPLY CIRCUIT OPEN
NOTE:
Check all fuses and circuit breakers before proceeding with the diagnosis of this DTC.
Turn the ignition off.
Remove the Headlamp Washer relay.
Turn the ignition on.
Measure the voltage on the (W28) Headlamp Washer Relay Supply circuit at the Headlamp Washer relay.
Is the voltage above 10.0 volts?
Yes
No
3.
HEADLAMP WASHER RELAY
Turn the ignition off.
Replace the Headlamp Washer relay with a known good relay.
Turn the ignition on.
With the Scan Tool, clear all DTC's.
Activate the Headlamp Washers.
With the Scan Tool, read the DTC's.
Does the scan tool display this DTC as active?
Yes
No
4.
(W20) HEADLAMP WASHER RELAY CONTROL CIRCUIT SHORT TO GROUND
Turn the ignition off.
Disconnect the TIPM C3 Connector.
Measure the resistance to ground of the (W20) Headlamp Washer Relay Control circuit.
Is the resistance below 5.0 ohms?
Yes
No