2007 Grand Cherokee WK Factory Service Manual 8 - ELECTRICAL

B2301-WIPER MODE SWITCH INPUT CIRCUIT LOW (SCM)

For a complete wiring diagram Refer to Section 8W.



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


No

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


No