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Home >> Jeep >> 2004 >> Wrangler SE, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Instrument Cluster >> Symptom: *SEAT BELT INDICATOR NOT OPERATING PROPERLY >> Diagnostic Procedure

Diagnostic Procedure

SEAT BELT INDICATOR NOT OPERATING PROPERLY - DIAGNOSTIC PROCEDURE

TEST ACTION APPLICABILITY
1 Turn the ignition on.
With the DRBIII® in Inputs/Outputs, read the Driver Belt Switch state while buckling and unbuckling the Seat Belt.
Does the DRBIII® display Open while the belt is buckled and Closed while unbuckled?
  1. Yes : Go To 2
  2. No : Go To 3
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2 Turn the ignition off.
Perform the Instrument Cluster Self Test while observing the Seat Belt Indicator.
Did the Seat Belt Indicator illuminate during the Self Test?
  1. Yes : Test Complete.
  2. No : Replace the Instrument Cluster in accordance with the Service Information.

    Perform BODY VERIFICATION TEST .

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3 Turn the ignition off.
Disconnect the Instrument Cluster C2 harness connector.
Check connectors - Clean/repair as necessary.
NOTE: Ensure that the Seat Belt is buckled.

Measure the voltage between the Seat Belt Switch Sense circuit and ground.
Is there any voltage present?
  1. Yes : Repair the Seat Belt Switch Sense circuit for a short to voltage.

    Perform BODY VERIFICATION TEST .

  2. No : Go To 4
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4 Turn the ignition off.
Disconnect the Seat Belt Switch harness connector.
Disconnect the Instrument Cluster C2 harness connector.
Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Seat Belt Switch Sense circuit.
Is the resistance below 5.0 ohms?
  1. Yes : Repair the Seat Belt Switch Sense circuit for a short to ground.

    Perform BODY VERIFICATION TEST .

  2. No : Go To 5
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5 Turn the ignition off.
Disconnect the Seat Belt Switch harness connector.
Disconnect the Instrument Cluster C2 harness connector.
Check connectors - Clean/repair as necessary.
Measure the resistance of the Seat Belt Switch Sense circuit.
Is the resistance above 5.0 ohms?
  1. Yes : Repair the Seat Belt Switch Sense circuit for an open.

    Perform BODY VERIFICATION TEST .

  2. No : Go To 6
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6 Turn the ignition off.
Disconnect the Seat Belt Switch harness connector.
Check connectors - Clean/repair as necessary.
Measure the resistance between ground and the Seat Belt Switch Ground circuit.
Is the resistance below 5.0 ohms?
  1. Yes : Replace the Seat Belt Switch in accordance with the Service Information.

    Perform BODY VERIFICATION TEST .

  2. No : Repair the Seat Belt Switch Ground circuit for an open.

    Perform BODY VERIFICATION TEST .

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