Suzuki Liana RH413 Service Manual page 126

1A-75 Engine General Information and Diagnosis:
Step
5 Check fuel injectors and circuit
7) Check each injector for fuel leakage (1) after injector
closed.
Fuel leakage
Less than 1 drop/min.
Is check result in Step 1) and 3) to 7) satisfactory?
6 Check PCV valve for clogging
1) Perform "PCV Valve Inspection in Section 1B".
Is it in good condition?
7 Check EVAP canister purge valve for closing
1) Disconnect purge hose from EVAP canister purge valve.
2) Place finger against the end of EVAP canister purge
valve.
3) Check that vacuum is not felt there, when engine is cool
and running at idle.
Is vacuum felt?
8 Check MAP sensor for performance
1) Perform "Manifold Absolute Pressure (MAP) Sensor
Inspection in Section 1C".
Is it in good condition?
9 Check ECT sensor for performance
1) Perform "Engine Coolant Temperature (ECT) Sensor
Inspection in Section 1C".
Is check result satisfactory?
Action
I2RH0B110041-01
I2RH0B110042-01
Yes
Go to Step 6.
Go to Step 7.
Check evaporative
emission control
system.
Go to Step 9.
Go to Step 10.
No
Check injector circuit or
replace fuel injector(s).
PCV valve.
Go to Step 8.
Replace MAP sensor.
Replace ECT sensor.