Idle Air Control Circuit Check - Suzuki Liana RH418 Supplementary Service Manual

Idle Air Control Circuit Check

System / Wiring Diagram
9 8 7 6
21 20 19 18 17
31 30 29 28 27
DTC Troubleshooting
Step
1 Is SUZUKI scan tool available?
2 Check idle air control system
1) Connect SUZUKI scan tool to DLC with ignition switch
OFF, set parking brake and block drive wheels.
2) Warm up engine to normal operating temperature.
3) Clear DTC and select "MISC TEST" mode on SUZUKI
scan tool.
Is it possible to control (increase and reduce) engine idle
speed by using SUZUKI scan tool?
3 Check idle air control system
1) Remove IAC valve from throttle body referring to "Idle Air
Control (IAC) Valve Inspection in Section 1C".
2) Check IAC valve for operation referring to "Idle Air
Control (IAC) Valve Inspection in Section 1C".
Is check result satisfactory?
GRN/RED
BLK/RED
4
BLK
C41 (31P) G04 (24P)
5 4 3 2 1
7 6 5
16 15 14 13 12 11 10
16 15 14 13 12
26 25 24 23 22 24 23 22
1. Ignition switch
2. Battery
Action
Engine General Information and Diagnosis:
C41-6
G04-5
G04-6
G04-10
BLK/RED
G03 (17P)
4 3 2 1 6 5 4 3 2 1
12 11 10 9 8 7
11 10 9 8
21 20 19 18 17
17 16 15 14 13
3. Main relay
4. IAC valve
Go to Step 2.
Circuit is in good
condition.
IAC valve is in good
condition.
Check for intermittent
referring to "Intermittent
and Poor Connection
Inspection in Section 00
in related manual".
IYSY01111094-01
ECM
1
3
2
Yes
Go to Step 3.
Go to Step 4.
Go to Step 4.
1A-92
S3RH0B1104057
I2RH0B110066-01
No