Ignition Timing: Testing and Inspection

BASIC SERVICE PROCEDURE


Idle Speed and Ignition Timing Check


IDLE SPEED

With CONSULT-III
Check idle speed in "DATA MONITOR" mode with CONSULT-III.

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.
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).





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.





Arrow Indicates Vehicle front





3. Check ignition timing.





- Timing indicator (1)