Dodge Durango (HB). Manual — part 609

B230D-REAR WIPER PARK SWITCH INPUT CIRCUIT LOW

HB

REAR WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS

8R - 59

B230D-REAR WIPER PARK SWITCH INPUT CIRCUIT LOW (CONTINUED)

For the Rear Wipers/Washers circuit diagram (Refer to 8 - ELECTRICAL/WIPERS/WASHERS - SCHEMATICS AND
DIAGRAMS).

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:

•

Set Condition:

Possible Causes

WIPER/WASHER SWITCH

(W17) REAR WIPER PARK SWITCH SENSE CIRCUIT LOW

FRONT CONTROL MODULE

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

Diagnostic Test

1.

INTERMITTENT CONDITION

Turn the ignition on.

With the Scan Tool, clear all FCM DTC’s.

Turn the Rear Wipers on.

With the Scan Tool, read the Rear Wiper DTC’s.

Does the Scan Tool read: B230D-REAR WIPER PARK SWITCH INPUT CIRCUIT LOW?

Yes

>> Go To 2

No

>> The condition that caused the symptom is currently not present. Inspect the related wiring for a possible

intermittent condition. Look for any chafed, pierced, pinched, or partially broken wires.

Perform the BODY VERIFICATION TEST — VER 1.

2.

WIPER/WASHER SWITCH

Turn the ignition off.

Disconnect the Rear Wiper/Washer Switch connector.

Measure the internal resistance of the Wiper/Washer Switch between cavity 1 and 2 of the switch.

Is the resistance above 5.0 ohms?

Yes

>> Replace the Rear Wiper/Washer Switch in accordance with the service information.

Perform the BODY VERIFICATION TEST — VER 1.

No

>> Go To 3

8R - 60

REAR WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS

HB

B230D-REAR WIPER PARK SWITCH INPUT CIRCUIT LOW (CONTINUED)

3.

FRONT CONTROL MODULE

Turn the ignition off.

Disconnect the Rear Wiper/Washer Switch connector.

Disconnect the FCM C1 harness connector.

Measure the resistance between ground and the (W17) Rear Wiper
Park Switch Sense circuit.

Is the resistance below 5.0 ohms?

Yes

>> Repair the (W17) Rear Wiper Park Switch Sense circuit for

a short condition.

Perform the BODY VERIFICATION TEST — VER 1.

No

>> Replace the Front Control Module in accordance with the

service information.

Perform the BODY VERIFICATION TEST — VER 1.

HB

REAR WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS

8R - 61

B230E-REAR WIPER PARK SWITCH INPUT CIRCUIT OPEN

8R - 62

REAR WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS

HB