Suzuki Baleno Manual page 1334

6-1-104 ENGINE GENERAL INFORMATION AND DIAGNOSIS (G13/G16 ENGINE WITH WU TWC)
TABLE B-1 FUEL INJECTOR CIRCUIT CHECK
Ignition
switch
Main
fuse
INSPECTION
STEP
1 Was "ENGINE DIAG. FLOW TABLE" performed?
2 Check Injector for Operating Sound.
Using sound scope, check each injector for operating
sound at engine cranking.
Do all 4 injector make operating sound?
3 Dose none of 4 injectors make operating sound at
Step 2?
4 Check power circuit of injectors for open and short.
Is it normal?
No.1 injector
No.2 injector
Relay box
No.3 injector
No.4 injector
ACTION
Main relay
YES
Go to Step 2.
Fuel injector circuit is
in good condition.
Go to Step 4.
Check all 4 injectors
for resistance respec-
tively.
If resistance is OK,
substitute a known-
good ECM (PCM) and
recheck.
ECM
(PCM)
NO
Go to "ENGINE DIAG.
FLOW TABLE".
Go to Step 3.
Check coupler con-
nection and wire har-
ness of injector not
making o erating making operating
sound and injector it-
self (Refer to Section
6E2).
Power circuit open or
short.