DTC Definitions
NOTE:
DTCs will be recorded at various operating times. Some DTCs require sensor or switch operation for 5 seconds and others may require longer under certain conditions. Some DTCs may not set in a service bay operational mode.
DTC IDENTIFICATION
| DTC | Circuit Affected | Probable Cause | ||
|---|---|---|---|---|
| 12 | ECM Diagnostic System | (1) | ||
| 13 | HO2S | Signal Voltage Does Not Change | ||
| 14 | ECT Sensor | High Voltage In-Low Temp. Indicated | ||
| 15 | ECT Sensor | Low Voltage In-High Temp. Indicated | ||
| 21 | TP Sensor | High Voltage Input | ||
| 22 | TP Sensor | Low Voltage Input | ||
| 23 | IAT Sensor | High Voltage In-Low Temperature Indicated | ||
| 24 | VSS | Constant Signal | ||
| 25 | IAT Sensor | Low Voltage In-High Temperature Indicated | ||
| 31 | MAP Sensor | Low Voltage In-Low Vacuum | ||
| 32 | MAP Sensor | High Voltage In-High Vacuum | ||
| 41 | Ignition Signal | No Signal | ||
| 42 | CMP Sensor | No Signal For 2 Seconds | ||
| 46 | ISC Motor | Incorrect ISC Motor Signal | ||
| 51 | EGR System | Closed Loop Or Incorrect EGR Signal | ||
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