Ignition Timing Control Inspection

1. Stan the engine and run it at idle.
2. Warm up the engine to normal operating temperature.




3. Connect the SSTs (NGS tester) to the DLC-2.
4. Select the PID/DATA MONITOR AND RECORD function on the NGS display.
5. Select the IGT PID.
6. Verify that IGT PID is within the specification.

Specification
BTDC 4° - 16° (10° ± 6°)

7. Increase the engine speed and verify that the IGT PID value is advanced.
- If it is not advanced, inspect the following.
- CKP sensor and related harness
- MAF sensor and related harness