Jeep Grand Cherokee WK. Manual — part 697

B2317-WIPER HI/LOW CONTROL CIRCUIT LOW

For the Wiper/Washer system circuit diagram (Refer to 8 - ELECTRICAL/WIPERS/WASHERS - SCHEMATICS AND
DIAGRAMS).

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:

•

With the ignition on.

•

Set Condition:

•

When the FCM detects a short/low condition.

Possible Causes

INTEGRATED POWER MODULE

Diagnostic Test

1.

INTEGRATED POWER MODULE

Turn the ignition off.

Replace the Wiper HI/LOW relay with and known good relay.

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

Turn the Wipers ON then OFF.

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

Does the Scan Tool read: B2317-WIPER HI/LOW CONTROL CIRCUIT LOW?

Yes

>> Replace the Integrated Power Module in accordance with the service information.

Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)

No

>> Test complete.

Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)

8R - 10

WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS

WK

B2318-WIPER HI/LOW CONTROL CIRCUIT HIGH

For the Wiper/Washer system circuit diagram (Refer to 8 - ELECTRICAL/WIPERS/WASHERS - SCHEMATICS AND
DIAGRAMS).

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:

•

With the ignition on.

•

Set Condition:

•

When the FCM detects a short/HIGH condition.

Possible Causes

INTEGRATED POWER MODULE

Diagnostic Test

1.

INTEGRATED POWER MODULE

Turn the ignition off.

Replace the Wiper HI/LOW relay with and known good relay.

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

Turn the Wipers ON then OFF.

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

Does the Scan Tool read: B2318-WIPER HI/LOW CONTROL CIRCUIT HIGH?

Yes

>> Replace the Integrated Power Module in accordance with the service information.

Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)

No

>> Test complete.

Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)

WK

WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS

8R - 11

B2319-WIPER HI/LOW CONTROL CIRCUIT OPEN

For the Wiper/Washer system circuit diagram (Refer to 8 - ELECTRICAL/WIPERS/WASHERS - SCHEMATICS AND
DIAGRAMS).

For a complete wiring diagram Refer to Section 8W.

•

When Monitored:

•

With the ignition on.

•

Set Condition:

•

When the FCM detects a short/low condition.

Possible Causes

INTEGRATED POWER MODULE

Diagnostic Test

1.

INTEGRATED POWER MODULE

Turn the ignition off.

Replace the Wiper HI/LOW relay with and known good relay.

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

Turn the Wipers ON then OFF.

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

Does the Scan Tool read: B2319-WIPER HI/LOW CONTROL CIRCUIT OPEN?

Yes

>> Replace the Integrated Power Module in accordance with the service information.

Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)

No

>> Test complete.

Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)

8R - 12

WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS

WK

B231F-FRONT/REAR WASHER MOTOR CONTROL CIRCUIT LOW

WK

WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS

8R - 13