DTC Test: Checking For DTCS
NOTE:
For connector terminal identification, see CONNECTOR IDENTIFICATION in appropriate
SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
- Attempt to start engine. If necessary, crank engine for up to 10 seconds. Connect scan tool to Data Link Connector (DLC). Record scan tool trouble codes. If scan tool screen shows no response, go to TEST NS-2A in appropriate SELF-DIAGNOSTICS TESTS article in ENGINE PERFORMANCE.
- If DTCs are displayed, see SCAN TOOL DTC MESSAGES table. Only DTCs relating to charging system are listed. For all other DTCs, see appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE. If no DTCs are displayed, go to TEST CH-1A: CHARGING SYSTEM NO CODE TEST .
SCAN TOOL DTC MESSAGES
| Scan Tool Display | DTC | ||
|---|---|---|---|
| GENERATOR FIELD NOT SWITCHING PROPERLY | P0622 | ||
| BATTERY TEMPERATURE SENSOR VOLTAGE TOO HIGH (1) | P1492 | ||
| BATTERY TEMPERATURE SENSOR VOLTAGE TOO LOW (1) | P1493 | ||
| CHARGING SYSTEM VOLTAGE TOO HIGH | P1594 | ||
| CHARGING SYSTEM VOLTAGE TOO LOW | P1682 | ||
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