Power Steering Pressure (Psp) Switch Signal Circuit Check - Suzuki Liana RH418 Supplementary Service Manual

Step
11 Check wire circuit
1) Turn ON ignition switch.
2) Check voltage between "G04-3" terminal wire and
vehicle body ground.
Is voltage 0 V?
12 Check radiator fan control relay No.2 and No.3
1) Check radiator fan control relay No.2 and No.3, referring
to "Radiator Fan Relay No.1, No.2 and No.3 Inspection
in Section 1C in related manual".
Is result in good condition?
13 Check radiator fan control No.2 and No.3
1) Connect connectors to ECM with ignition switch turned
OFF.
2) Run engine at ECT is over 102 °C, 216 °F.
3) Measure voltage between vehicle body ground and
"G04-3" terminal wire.
Is voltage lower 1.5 V?

Power Steering Pressure (PSP) Switch Signal Circuit Check

Wiring Diagram
Action
1
C41 (31P)
9 8 7 6 5 4 3 2 1
21 20 19 18 17 16 15 14 13 12 11 10
31 30 29 28 27 26 25 24 23 22
1. Power steering pressure switch
Engine General Information and Diagnosis:
Yes
Go to Step 12.
"GRN/RED" wire open
circuit.
Radiator cooling fan
control circuit is in good
condition.
ECM
12V
YEL C41-5
G04 (24P) G03 (17P)
7 6 5 4 3 2 1 6 5
16 15 14 13 12 11 10 9 8 12 11
24 23 22 21 20 19 18 17
17 16
No
"GRN/RED" wire
shorted to power supply
circuit.
Replace relay.
Faulty ECM.
4 3 2 1
10 9 8 7
15 14 13
1A-104
S3RH0B1104053
I2RH0B110088-01