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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 >> Heating & A/C >> Symptom: REAR BOOSTER FAN RELAY OPEN - ATC >> Diagnostic Procedure

Diagnostic Procedure

REAR BOOSTER FAN RELAY OPEN SYMPTOM CHART

TEST ACTION APPLICABILITY
1 Turn the ignition off.
Remove the Rear Booster Fan Relay from the IPM.
Using a 12-volt test light connected to ground, probe cavity 85 of the rear booster fan relay connector.
Is the test light illuminated?
Yes --> Go To 2
No --> Check the B+ feed to the IPM for an open. If OK, replace the IPM in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .		 All
2 Turn the ignition off.
Install a substitute relay in place of the existing Rear Booster Fan Relay.
Turn the ignition on.
With the DRBIII®, erase DTCs.
Turn the ignition off.
With the DRBIII®, read IPM DTCs.
Does the DRBIII® display: REAR BOOSTER FAN RELAY OPEN?
Yes --> Replace the Integrated Power Module (IPM) in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .
No --> Replace the original Rear Booster Fan Relay in accordance with the Service Information.
Perform BODY VERIFICATION TEST - VER 1 .		 All
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