Ignition Timing: Testing and Inspection

BASIC SERVICE PROCEDURE

Idle Speed and Ignition Timing Check


IDLE SPEED

With CONSULT
Check idle speed in "DATA MONITOR" mode with CONSULT.
With GST
Check idle speed in Service $01 with GST.

IGNITION TIMING

Any of following two methods may be used.
Method A





1.Attach timing light to loop wire as shown.
-White arrow indicates : Vehicle front
- Ignition coil No. 1 (1)
- Timing light (2)





2.Check ignition timing.
- Timing indicator (1)
Method B
1.Remove No. 1 ignition coil (1). Service and Repair.





-White arrow indicates : Vehicle front

2.Connect No. 1 ignition coil (3) and No. 1 spark plug with suitable high-tension wire (1) as shown, and attach timing light (2) clamp to this wire.





-White arrow indicates : Vehicle front





3.Check ignition timing.





- Timing indicator (1)