Suzuki Jimny Service Manual page 401

6-44 ENGINE GENERAL INFORMATION AND DIAGNOSIS
Step
2 ECM Power and Ground Circuit Check
Does engine start?
3 MIL Circuit Check
1) Turn ignition switch OFF and disconnect
connectors from ECM.
2) Check for proper connection to ECM at ter-
minal E18-2 (Case of TYPE A) (See NOTE)
or E17-9 (Case of TYPE B) (See NOTE).
3) If OK, then using service wire, ground termi-
nal E18-2 (Case of TYPE A) (See NOTE) or
E17-9 (Case of TYPE B) (See NOTE) in
connector disconnected.
Does MIL turn on at ignition switch ON?
Table A-2 Malfunction Indicator Lamp Circuit Check - Lamp Remains "ON"
after Engine Starts
WIRING DIAGRAM / CIRCUIT DESCRIPTION
Refer to table A-1.
INSPECTION
Step
1 Diagnostic Trouble Code (DTC) check
1) Check DTC referring to DTC CHECK sec-
tion.
Is there any DTC(s)?
2 DTC check
1) Start engine and recheck DTC while engine
running.
Is there any DTC(s)?
3 MIL Circuit check
1) Turn OFF ignition switch.
2) Disconnect connectors from ECM.
Does MIL turn ON at ignition switch ON?
Action
Action
Yes
Go to Step 3.
Substitute a known-good
ECM and recheck.
Yes
Go to Step 2 of "Engine
Diag. Flow Table".
"V/Y" wire circuit shorted
to ground.
No
Go to "Table A-5 ECM
Power and Ground Circuit
Check".
If engine is not cranked,
go to "Diagnosis" in Sec-
tion 8G.
Bulb burned out, "V/Y"
wire circuit open or "P"
wire shorted to ground.
No
Go to Step 2.
Go to Step 3.
Substitute a known-good
ECM and recheck.