Bus Messages Missing

BUS MESSAGE MISSING

POSSIBLE CAUSES
- No response - PCI BUS - PCM
- No response - PCI BUS - MIC

1. NO RESPONSE - PCI BUS - PCM
Turn the ignition on.
With the DRBIII(R), select SYSTEM MONITORS, then J1850 Module Scan.

Q: Does the DRBIII(R) display PCM Active on the Bus?

YES: Go To 2
NO: Refer to COMMUNICATION category for the related symptom. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. NO RESPONSE - PCI BUS - MIC
Turn the ignition on.
With the DRBIII(R), select Electro/Mechanical Instrument Cluster.

Q: Is there a response from the Instrument Cluster?

YES: Replace and configure the Electronic Overhead Module. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Refer to COMMUNICATION category for the related symptom. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test