Suzuki Baleno Manual page 1368

6-2-20 ENGINE GENERAL INFORMATION AND DIAGNOSIS (J18 ENGINE WITH WU TWC)
ENGINE BASIC INSPECTION (Page 1 of 2)
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 table carefully.
STEP
1 Was "ENGINE DIAG. FLOW TABLE" performed?
2 Check battery voltage.
Is it 11 V or more?
3 Is engine cranked?
4 Does engine start?
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. See Fig. 1.
Is it 700 – 800 r/min.?
6 Check ignition timing as follows:
1) Select "MISC" mode on SUZUKI scan tool and fix
ignition timing to initial one. See Fig. 2.
2) Remove timing hole cap on transmission case to
observe ignition timing.
3) Using timing light, check initial ignition timing.
See Fig. 3.
Is it 5_ + 3_ BTDC at specified idle speed?
7 Is immobilizer control system equipped?
8 Check immobilizer system malfunction as follows.
1) Check immobilizer indicator lamp for flashing.
Is it flashing when ignition switch is turned to ON
position?
9 Check fuel supply as follows:
1) Check to make sure that enough fuel is filled in fuel
tank.
2) Turn ON ignition switch for 3 seconds and then OFF.
Repeat this a few times. See Fig. 4.
Is fuel return pressure (returning sounds) felt from fuel
return hose when ignition switch is turned ON?
10 Check fuel pump for operating.
1) Was fuel pump operating sound heard from fuel filler
for about 2 seconds after ignition switch ON and
stop?
11 Check ignition spark as follows:
1) Disconnect injector couplers.
2) Remove spark plugs and connect them to ignition
coils.
3) Ground spark plugs.
4) Crank engine and check if each spark plug sparks.
Is it in good condition?
12 Check fuel injector for operation as follows:
1) Install spark plugs and connect injector connectors.
2) Using sound scope, check operating sound of each
injector when cranking engine. See Fig. 5.
Was injector operating sound heard from all injectors?
ACTION YES
Go to Step 2. Go to "ENGINE DIAG.
FLOW TABLE".
Go to Step 3. Charge or replace
battery.
Go to Step 4. Go to "DIAGNOSIS"
in Section 6G.
Go to Step 5. Go to Step 7.
Go to Step 6. Go to "ENGINE
DIAGNOSIS TABLE".
Go to "ENGINE Adjust ignition timing
DIAGNOSIS TABLE". referring to Section
6F2.
Go to Step8. Go to Step 9.
Go to "DIAGNOSIS" Go to Step 9.
in Section 8G.
Go to Step 11. Go to Step 10.
Go to "DIAG. FLOW Go to "DIAG. FLOW
TABLE B-3". TABLE B-2".
Go to Step 12. Go to "DIAGNOSIS"
in Section 6F2.
Go to "ENGINE Go to "DIAG. FLOW
DIAGNOSIS TABLE". TABLE B-1".
NO