Suzuki Liana RH413, Service Manual

Page: 185 / 1302

Engine General Information and Diagnosis: 1A-134
Radiator Fan Control System Check
S3RH0A1104071
Wiring Diagram
3 Check electric load signal circuit
1) Turn ignition switch ON.
2) Check voltage at each terminals “G04-17” and “G03-10”
of ECM connector connected, under above each
condition.
Voltage at “G04-17”
Clearance light, rear defogger and blower motor all
turned OFF: 0 V
Clearance light, rear defogger and blower motor to
2nd speed position or more all turned ON: 10 – 14 V
Voltage at “G03-10”
Clearance light, rear defogger and blower motor all
turned OFF: 10 – 14 V
Clearance light, rear defogger and blower motor to
2nd speed position or more all turned ON: 0 V
Is each voltage as specified?
Electric load signal
circuit is in good
condition. “YEL/BLK” and/or “BLU/
BLK” circuit open or
short, electric load
diodes malfunction or
each electric load circuit
malfunction.
Step Action Yes No
I2RH0B110086-01
BATT
80A
30A
60A
BLK
ECM
BLK/ORN
BLK
C41-1
C41-3
L
+
L-
H-
H
+
BRN
C41 (31P) G04 (24P) G03 (17P)
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21
22 23 24 25 26 28 27 29 30 31
5 6 1 2 3 4 5 6 7
11 12
9 10 11 13 12 14 15 16
16 17
1 2
7 8
13 14
3 4
9 10
15 17 18
8
19 20 21 22 23 24
G04-18
G04-3 GRN/RED
BLK/WHT
BLU/WHT
BLU/RED
BLK
BLU
BLK
BLU/BLK
BLU/RED
1
2
3
4
15A
IG
ACC
ON
ST
5
7
6
I3RH0A110023-01
1. Radiator fan relay No.1 3. Radiator fan relay No.3 5. Main fuse box 7. Ignition switch
2. Radiator fan relay No.2 4. Radiator fan 6. Circuit fuse box