Suzuki Liana RH413, Service Manual

Page: 125 / 1302

Engine General Information and Diagnosis: 1A-74
5 Check fuel injectors and circuit
1) Using sound scope (1) or such, check operating sound
of each injector (2) when engine is running.
Cycle of operating sound vary according to engine
speed.
If no sound or an unusual sound is heard, check injector
circuit (wire or connector) or injector.
2) Turn ignition switch OFF and disconnect a fuel injector
connector.
3) Check for proper connection to fuel injector at each
terminal.
4) If OK, then check injector resistance.
Fuel injector resistance
11.3 – 13.8
Ω
at 20
°
C (68
°
F)
5) Carry out Steps 1) and 3) on each injector.
6) Check each injector for injected fuel volume.
Injected fuel volume
43 – 47 cc/15 sec. (1.45/1.51 – 1.58/1.65 US/lmp oz/15
sec.)
Go to Step 6. Check injector circuit or
replace fuel injector(s).
Step Action Yes No
I2RH0B110039-01
I2RH0B110040-01