Suzuki Jimny Service Manual page 476

Table B-6 Electric Load Signal Circuit Check
1. Rear defogger switch
2. Light switch
NOTE:
For TYPE A and TYPE B, refer to the NOTE in "ECM Terminal Voltage Values Table" for applicable
model.
INSPECTION
Step
1 Is SUZUKI scan tool available?
2 Check Electric Load Signal Circuit.
1) Connect SUZUKI scan tool to DLC with igni-
tion switch OFF. See Fig.1.
2) Start engine and select "DATA LIST" mode
on scan tool.
3) Check electric load signal under following
each condition. See Table 1.
Is check result satisfactory?
3 Check Electric Load Signal Circuit.
1) Turn ignition switch ON.
2) Check voltage at each terminals E17-16,
E18-17 and E18-24 (Case of TYPE A) or
E18-12, E18-17 and E17-13 (Case of TYPE
B) (See NOTE) of ECM connector con-
nected, under above each condition. See
Fig. 2. and Table 1.
Is each voltage as specified?
3. Blower fan switch
[A] : Case of TYPE A is shown (See NOTE)
Action
ENGINE GENERAL INFORMATION AND DIAGNOSIS 6-119
[B] : Case of TYPE B is shown (See NOTE)
Yes
Go to Step 2.
Electric load signal circuit
is in good condition.
Electric load signal circuit
is in good condition.
No
Go to Step 3.
"R/W", "R/Y" and/or "Bl/Y"
circuit open or short, Elec-
tric load diodes malfunc-
tion or Each electric load
circuit malfunction.
"R/W", "R/Y" and/or "Bl/Y"
circuit open or short, Elec-
tric load diodes malfunc-
tion or Each electric load
circuit malfunction.