Ignition Timing: Testing and Inspection
ADJUSTMENT PREPARATION1. Warm up the engine to normal operating temperature.
2. Shift the selector lever to park(neutral position.
3. Turn off all electrical loads.
- Headlight
- Blower motor
- Rear window defroster
- A/C
- Power steering
4. Wait until the cooling fan stops.
5. Connect the Special Service Tools (SST)s New Generation Star (NGS) tester to the data link connector-2 and select the PID DATA MONITOR AND RECORD function.
IGNITION TIMING
1. Perform "Preparation".
2. Verify that the idle speed is within the specification.
Specification: 600-700 rpm
3. If not as specified, adjust the idle speed.
(Refer to below.)
4. Connect the SST (system selector) to the data link connector.
5. Set switch GA to position 1.
6. Set the test switch to SELF TEST.
7. Verify that the idle speed is within the specification.
Specification: 550-750 rpm
8. If not as specified, adjust the idle speed.
(Refer to below.)
9. Connect a timing light to the high-tension lead of No.1 cylinder
Timing Marks:
10. Verify that the timing mark (yellow) is within the specification.
Specification: BTDC 9-11°
11 If not as specified, loosen the distributor lock bolts and turn the distributor to make the adjustment.
12. Tighten the distributor lock bolts to the specified torque.
Tightening torque: 19-25 Nm (14-18 ft.lbs.)
13. Disconnect the SSTs.
14. Verify that the ignition timing is within the specification.
Specification: BTDC 6-18°