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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 OPEN >> Diagnostic Procedure

Diagnostic Procedure

NAV SWITCH INPUT CIRCUIT OPEN SYMPTOM CHART

TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Disconnect the Instrument Cluster Switch Pod harness connector.
Measure the resistance of the EVIC/NAV Mux Return circuit.
Is the resistance above 5.0 ohms?
Yes --> Repair the EVIC/NAV Mux Return circuit for an open.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Go To 2		 All
2 Turn the ignition off.
Reconnect the Instrument Cluster C1 harness connector.
Disconnect the Instrument Panel Switch Pod harness connector.
Turn the ignition on.
Measure the voltage between the NAV Switch Sense circuit and ground.
Is the voltage below 4.5 volts?
Yes --> Go To 3
No --> Replace the Instrument Panel Switch Pod in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .		 All
3 Turn the ignition off.
Disconnect the Instrument Cluster C1 harness connector.
Disconnect the Instrument Panel Switch Pod harness connector.
Measure the resistance of the NAV Mux Signal circuit.
Is the resistance above 5.0 ohms?
Yes --> Repair the NAV Mux Signal circuit for an open.
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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