Suzuki Liana RH418, Supplementary Service Manual

Page: 106 / 371

1A-93 Engine General Information and Diagnosis:
Throttle Valve Opening Signal Inspection
S3RH0B1104049
Check throttle valve opening (throttle position) signal referring to Step 3 to 5 of “DTC P1700 (No.32 / No.33): Throttle
Position Signal Input Malfunction in Section 5A”.
If check result is not satisfactory, check each wire harness, circuit connections and TP sensor.
A/C Control System Check (Vehicle with A/C)
S3RH0B1104050
Wiring Diagram
4 Check wire harness for open and short
1) Turn ignition switch OFF.
2) Disconnect IAC valve coupler.
3) Check for proper connection to IAC valve at each
terminals.
4) If OK, disconnect ECM connector.
5) Check for proper connection to ECM at “C41-6” terminal.
6) If OK, check “BLK/RED”, “GRN/RED” and “BLK” circuit
for open and short.
Are they in good condition?
Replace IAC valve and
recheck. Repair or replace.
Step Action Yes No
6
IG2
M
ECM
BLU/BLK
GRN/BLK
BLU/ORN
G03-10
12 V
12 V
12 V
G04-16
G04-7
G04-9
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
3
1
M
8
G04-1
BLU/YEL
BRN/YEL
BLK
WHT
+BB
RED
LT GRN
RED
BLK
LT GRN
20A
7
9
1
RED/BLU
WHT/BLK
5 V
5 V
G04-14
G04-11
4
C41-10 ORN
YEL/WHT
5
2
GRN/WHT
I3RH0B110023-01
1. Blower fan motor 4. A/C evaporator outlet air temp. sensor 7. A/C condenser fan motor
2. A/C control module 5. A/C evaporator inlet air temp. sensor 8. A/C compressor relay
3. A/C pressure switch 6. A/C condenser fan relay 9. A/C compressor