Engine Basic Inspection - Suzuki Grand Vitara Service Manual

Engine Basic Inspection

This check is very important for troubleshooting when ECM has detected no DTC and no abnormality has been found
in "Visual Inspection: ".
Follow the flow carefully.
Step
1 Was "Engine and Emission Control System Check"
performed?
2 Check battery voltage
Is it 11 V or more?
3 Is vehicle equipped with keyless start control system?
4 Check keyless start control system malfunction (if
equipped keyless start control system)
1) Check keyless start control system referring to "Keyless
Start System Operation Inspection: in Section 10E".
Is check result satisfactory?
5 Is engine cranked?
6 Does engine start?
7 Check idle speed
1) Warm up engine to normal operating temperature.
2) Shift transmission to neutral position for M/T model ("P"
position for A/T).
3) Make sure that all electrical loads are switched off.
4) Check engine idle speed with scan tool.
Is it 600 – 700 (for J20 engine), 610 – 710 (for M16 engine)
r/min.?
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Action
I2RH01110005-01
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Engine General Information and Diagnosis:
Yes
Go to Step 2.
Go to Step 3.
Go to Step 4.
Go to Step 5.
Go to Step 6.
Go to Step 7.
Go to Step 8.
1A-44
S5JB0A1104009
No
Go to "Engine and
Emission Control
System Check: ".
Charge or replace
battery.
Go to Step 5.
Keyless start control
system malfunction.
Go to "Cranking System
Symptom Diagnosis: in
Section 1I".
Go to Step 9.
Go to "Engine Symptom
Diagnosis: ".