Jeep Grand Cherokee WK. Manual - part 700
B2301-WIPER MODE SWITCH INPUT CIRCUIT LOW (SCM)
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 Steering Control Module detects a short/LOW condition.
Possible Causes
WIPER MULTIFUNCTION SWITCH
STEERING CONTROL MODULE
Diagnostic Test
1.
INTERMITTENT CONDITION
Turn the ignition on.
With the Scan Tool, clear all CCN DTC’s.
Turn the Wipers ON then OFF.
With the Scan Tool, read the Wiper DTC’s.
Does the Scan Tool read: B2301-WIPER MODE 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. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
2.
MULTIFUNCTION SWITCH
Turn the ignition off.
Using the correct service procedure, remove the Wiper Multi-Function Switch.
Measure the internal resistance of the Multifunction Switch between cavities 7 and 9. Move the switch position from
OFF to HIGH while measuring.
OFF = 1581 ohms
DELAY 1 = 695 ohms
DELAY 2 = 463 ohms
DELAY 3 = 323 ohms
DELAY 4 = 232 ohms
DELAY 5 = 169 ohms
LOW = 96 ohms
HIGH = 0 ohms
Is the resistance in each position correct?
Yes
>> Replace the Steering Control 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
>> Replace the Multifunction Switch in accordance with the service information.
Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES - STANDARD PROCEDURE)
8R - 22
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
WK