Suzuki Samurai 1986, Service Manual

Page: 29 / 482

During acceleration
2. During deceleration
3. Diaphragm
Movement of EGR valve diaphragm
14. ECM AND ASSOCIATED SENSORS
INSPECTION
1) Start engine and warm it up to normal operat-
ing temperature.
For Canadian specification vehicle, turn on
check switch.
2) Run engine at 1500 2000 (t-pm).
In this state, make sure that “CHECK
GINE” light flashes.
Flashing of light proves that ECM and associ-
ated sensors are in good condition.
If the light does not flash, check them and
replace or adjust as necessary. Refer to
SECTION 5 for checking procedure.
CHECK
ENGINE
“CHECK ENGINE” t
3)Turn off “CHECK ENGINE” light cancel or
check switch on steering holder bracket.
4) Stop engine.
15. WIRING HARNESS AND CONNECTIONS
INSPECTION
1) Visually inspect all wires located in engine
compartment for evidence of breakage.
Inspect the condition of the insulation
(cracks). All clips and clamps should have
solid connections to wires.
2) Replace any wires in a deteriorated or other-
wise defective condition.
16. SPARK PLUGS REPLACEMENT
1) Disconnect high-tension cords from‘ spark
plugs. Make sure to pull only on spark plug
2) Using a spark plug wrench, loosen and remove
plugs.
0.7 0.8 mm
(0.028 0.032 in.)
1-12