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Home >> Jeep >> 2004 >> Wrangler SE, Standard >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Compass/Mini-Trip Computer >> Symptom: *COMPASS/TEMPERATURE MODULE INOPERATIVE >> Diagnostic Procedure

Diagnostic Procedure

COMPASS/TEMPERATURE MODULE INOPERATIVE - DIAGNOSTIC PROCEDURE

TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the Compass/Temperature Mirror harness connector.
Measure the voltage between the Fused B(+) circuit and ground.
Is the voltage below 10.5 volts?
  1. Yes : Repair the Fused B(+) circuit for an open. If the fuse is open make sure to check for a short to ground.

    Perform BODY VERIFICATION TEST .

  2. No : Go To 2
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2 Turn the ignition off.
Disconnect the Compass/Temperature Mirror harness connector.
Turn the ignition on.
Measure the voltage between the Fused Ignition Switch Output circuit and ground.
Is the voltage below 10.5 volts?
  1. Yes : Repair the Fused Ignition Switch Output circuit for an open. If the fuse is open make sure to check for a short to ground.

    Perform BODY VERIFICATION TEST .

  2. No : Go To 3
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3 Turn the ignition off.
Disconnect the Compass/Temperature Mirror harness connector.
Measure the resistance between ground and the Ground circuit.
Is the resistance above 5.0 ohms?
  1. Yes : Repair the Ground circuit for an open.

    Perform BODY VERIFICATION TEST .

  2. No : Replace the Compass/Temperature Mirror in accordance with the Service Information. Note: After replacement, the vehicle must be driven for more than 2 minutes to update the display.

    Perform BODY VERIFICATION TEST .

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