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Home >> Chrysler >> 2005 >> Pacifica Limited >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures - Diagnostic Information And Procedures - HVAC, Ignition Power Accessory, Instrument Cluster, Interior Lighting, Navigation, Overhead Console >> Instrument Cluster >> Symptom: NAV SWITCH INPUT CIRCUIT SHORT >> Diagnostic Procedure

Diagnostic Procedure

NAV SWITCH INPUT CIRCUIT SHORT SYMPTOM CHART

TEST ACTION APPLICABILITY
1 With the DRBIII®, erase DTCs.
Turn the ignition off.
Disconnect the Instrument Cluster Panel Pod harness connector.
Turn the ignition on, with the DRBIII®, read DTCs.
Does the DRBIII® display "NAV Switch Input Open"?
Yes --> Replace the Instrument Panel Switch Pod in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Go To 2		 All
2 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Disconnect the Instrument Panel Switch Pod harness connector.
Measure the resistance between the NAV Mux Signal circuit and the EVIC/NAV Mux Return circuit.
Is the resistance below 100.0 ohms?
Yes --> Repair the NAV Mux Signal circuit for a short to the EVIC/NAV Mux Return circuit.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Go To 3		 All
3 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Disconnect the Instrument Panel Switch Pod harness connector.
Measure the resistance between ground and the NAV Mux Signal circuit.
Is the resistance below 5.0 ohms?
Yes --> Repair the NAV Mux Signal circuit for a short to ground.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Replace the Instrument Cluster in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .		 All
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