IDLE SPEED/IGNITION TIMING/IDLE MIXTURE RATIO INSPECTION - Idle Check and Ignition Timing Procedure
EF & EC-26flowchartIdle Check and Ignition Timing Procedure
1
START
2
Visually check the following: Air cleaner clogging, Hoses and ducts for leaks, Electrical connectors, Gasket, Throttle valve and throttle sensor operation.
3
Start engine and warm it up until water temperature indicator points to the middle of gauge. Ensure engine stays below 1000 rpm.
4
Open engine hood and run engine at about 2,000 rpm for about 2 minutes under no-load.
5
Perform E.C.C.S. self-diagnosis (Mode II).
N.G.
Repair or replace components as necessary.
Repair or replace components as necessary.
Perform E.C.C.S. self-diagnosis (Mode II).
O.K.
6
Run engine at about 2,000 rpm for about 2 minutes under no-load. Race engine two or three times under no-load, then run engine for about 1 minute at idle speed.
OR
1) Turn off engine and disconnect throttle sensor harness connector. 2) Start engine.
1) Turn off engine and disconnect throttle sensor harness connector. 2) Start engine.
Race engine (2,000 - 3,000 rpm) 2 or 3 times under no-load and then run engine at idle speed.
(A) — continues on next page
7
1) Select "AAC VALVE ADJ" in "WORK SUPPORT" mode. 2) Press "START".
8
Race engine (2,000 - 3,000 rpm) 2 or 3 times under no-load and then run engine at idle speed.
9
(A) — continues on next page