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System Test Chart Identification

ECM COMPUTER SYSTEM CHARTS

Chart Test Condition
SELF-DIAGNOSTIC SYSTEM CHECK Self-Diagnostic System Check
B1 Odometer Power/Ground Problem
B2 BCM-to-IPC Communication Problem
B3 CCDIC Problem
B4 BCM-to-CPS Power/Ground Problem
B5 Flourescent Display Pwr. Supply Problem
B6 IPCto-CPS Power/Ground Problem
B7 BCM-to-CPS Wake-Up Signal Problem
B8 CPS-to-Other Components Power Loss
C1 CCDIC Symptom Diagnosis
C2 CCDIC Completely Blank
C3 & C4 CCDIC Display Reads "SYSTEM PROBLEM"