Suzuki Liana RH418, Supplementary Service Manual

Page: 37 / 371

Engine General Information and Diagnosis: 1A-24
5 Check idle speed as follows:
1) Warm up engine to normal operating temp.
2) Shift transmission to neutral position for M/T (“P” position
for A/T).
3) All of electrical loads are switched off.
4) Check engine idle speed with scan tool.
Is it 610 – 710 r/min. (650 – 750 r/min. for A/T vehicle)?
Go to Step 6. Go to “Engine Symptom
Diagnosis”.
6 Do you have SUZUKI scan tool? Go to Step 8. Go to Step 7.
7 Check ignition timing as follows:
1) Connect test switch terminal of diagnosis connector to
ground.
2) Using timing light, check initial ignition timing.
Is it 5
° ±
3
°
BTDC at specified idle speed?
Go to “Engine Symptom
Diagnosis”. Check ignition control
related parts referring to
“Ignition Timing
Inspection in Section 1H
in related manual”.
Step Action Yes No
I2RH01110005-01
I3RH0A110011-01
IYSW01110005-01