Ignition Timing: Testing and Inspection

1. Start 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 increased.
- If it is not increased inspect the following.
- CKP sensor and related harness
- MAF sensor and related harness