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HOMESERVICE MANUALSJEEP2007GRAND CHEROKEE OVERLAND, 5.7 2, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTWIPER/WASHER SYSTEMSWIPER SYSTEM & WASHER SYSTEM - ELECTRICAL DIAGNOSTICSDTC TROUBLESHOOTINGB2301-WIPER MODE SWITCH INPUT CIRCUIT LOW (SCM)DIAGNOSTIC TEST
2007 Jeep Grand Cherokee Overland, 5.7 2, RWD

Diagnostic Test

2007 Jeep Grand Cherokee Overland, 5.7 2, RWDSECTION Diagnostic Test
  1. 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 

    1. Go to step  2).

    No 

    1. 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.
    2. Perform BODY VERIFICATION TEST - VER 1 .
  2. 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  

    1. Replace the Steering Control Module in accordance with the service information.
    2. Perform BODY VERIFICATION TEST - VER 1 .

    No  

    1. Replace the Multifunction Switch in accordance with the service information.
    2. Perform BODY VERIFICATION TEST - VER 1 .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.