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Home >> Chrysler >> 2004 >> Pacifica AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures - Communication, Door Ajar, Electrically Heated Systems, Exterior Lighting >> Exterior Lighting >> Symptom: LEFT HEADLAMP LOW BEAM SHORT TO GROUND-IPM >> Diagnostic Procedure

Diagnostic Procedure

LEFT HEADLAMP LOW BEAM SHORT TO GROUND-IPM - DIAGNOSTIC PROCEDURE

TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIII®, clear the IPM DTC's.
Turn the headlamps on.
Switch the headlamps between high beam and low beam several times, pausing for 5 seconds in each position.
With the DRBIII®, read IPM DTC's.
Is this DTC present?
  1. Yes: Go To 3
  2. No: Go To 2
 All
2 Turn the ignition off.
NOTE: Visually inspect the related wiring harness and circuits. Look for any chafed, pierced, pinched, or partially broken wires.
NOTE: Visually inspect the related wiring harness connectors. Look for broken, bent, pushed out, or corroded terminals.
NOTE: Refer to any Technical Service Bulletins (TSB) that may apply.

Were any problems found?
  1. Yes: Repair as necessary.

    Perform BODY VERIFICATION TEST VER-1 .

  2. No: Go To 3
 All
3 Turn the ignition off.
Disconnect the Left Headlamp.
Disconnect the Intelligent Power Module C5 harness connector.
Measure the resistance between Ground and the Left Low Beam Driver circuit.
Is the resistance below 100.0 ohms?
  1. Yes: Repair the Left Low Beam Driver circuit for a short to ground.

    Perform BODY VERIFICATION TEST VER-1 .

  2. No: Go To 4
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4 Turn the ignition off.
Turn the Headlamps off.
Install a substitute Headlamp Bulb in place of the Left Headlamp Bulb.
Turn the ignition on.
With the DRBIII®, erase the IPM DTC's.
Turn the headlamps on.
Switch the headlamps between high beam and low beam several times, pausing for 5 seconds in each position.
With the DRBIII®, read IPM DTC's.
Does the DRBIII® display this DTC?
  1. Yes: Go To 5
  2. No: Replace the original Left Headlamp Bulb.

    Perform BODY VERIFICATION TEST VER-1 .

 All
5 Turn the ignition off.
Inspect the wiring and connectors associated with the Left Low Beam Driver circuit.
Were any problems found?
  1. Yes: Repair as necessary.

    Perform BODY VERIFICATION TEST VER-1 .

  2. No: Replace the Integrated Power Module.

    Perform BODY VERIFICATION TEST VER-1 .

 All
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