When Monitored and Set Condition
- When Monitored: After the Anti-knock control is shut off and the engine is at operating temperature.
- Set Condition: The Anti-knock control test has failed Ten consecutive times in a row.
| Possible Causes |
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| POWERTRAIN CONTROL MODULE |
For a complete Powertrain Control Module Circuit Diagram, (Refer to ENGINE - SCHEMATICS AND DIAGRAMS) .