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" |