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*ANY PCI BUS INDICATOR INOPERATIVE For a complete wiring diagram Refer to Section 8W. Possible Causes INDICATOR MESSAGE NOT RECEIVED NO RESPONSE - INSTRUMENT CLUSTER NO RESPONSE - PCI BUS NO RESPONSE - PCI BUS - POWERTRAIN CONTROL MODULE INSTRUMENT CLUSTER Diagnostic Test 1. NO RESPONSE - INSTRUMENT CLUSTER Turn the ignition on. With the scan tool, select System Monitors, then J1850 Module Scan. Does the scan tool display: MIC PRESENT on the BUS? Yes >> Go To 2 No >> Refer to the COMMUNICATION category and perform the appropriate symptom. 2. NO RESPONSE - INSTRUMENT CLUSTER Turn the ignition on. With the scan tool, select MIC, then MODULE DISPLAY. Does the scan tool display: NO RESPONSE from MIC? Yes >> Refer to the symptom list for problems related to *NO RESPONSE FROM THE INSTRUMENT CLUS- TER. No >> Go To 3 3. NO RESPONSE - PCI BUS Turn the ignition on. With the scan tool, select Body, MIC, MONITORS, PCI BUS MONITORS. Does the scan tool display: PCM INACTIVE on the BUS? Yes >> Refer to the symptom list for problems related to *NO RESPONSE FROM THE POWERTRAIN CON- TROL MODULE. No >> Go To 4 4. INDICATOR MESSAGE NOT RECEIVED NOTE: Diagnose and repair any PCM or BCM DTCs before proceeding with this test. Depress and hold the Trip Odometer button while turning the ignition from the off to the on position. Observe the indicator in question. Did the indicator illuminate? Yes >> Refer to the appropriate Service Information category to diagnose the related system. No >> Replace and configure the Instrument Cluster in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 8J - 70 INSTRUMENT CLUSTER - ELECTRICAL DIAGNOSTICS KJ |