Idle Speed: 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 (1) as shown.










2.Check ignition timing.





Method B





1.Remove No. 4 ignition coil (1).










2.Connect No. 4 ignition coil (1) and No. 4 spark plug with suitable high-tension wire (A) as shown, and attach timing light clamp (B)
to this wire.















3.Check ignition timing.