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Step
9
Check radiator fan control No.3
1) Connect radiator fan control relay No.3 to relay box with
ignition switch turn OFF.
2) Run engine until ECT is over 102 °C, 216 °F.
3) Measure resistance between vehicle body ground and
"BLU" wire terminal in radiator fan harness connector.
Is resistance below 2
10 Check radiator fan control No.1
1) Disconnect connector from radiator fan with ignition
switch turn OFF.
2) Run engine until ECT is over 97 °C, 207 °F.
3) Measure voltage between vehicle body ground and
"BLU/RED" wire terminal in radiator fan harness
connector.
Is voltage 10 – 14 V?
11
Check radiator cooling fan
1) Check radiator cooling fan referring to "Radiator Cooling
Fan On-Vehicle Inspection in Section 1F".
Is it good condition?
Power Steering Pressure (PSP) Switch Signal Circuit Check
Wiring Diagram
Action
Ω
?
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 11.
Go to Step 11.
"BLK" wire in radiator
fan harness connector
open circuit.
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
"BLU" wire is open
circuit or high resistance
in circuit.
"BLU/RED" wire open
circuit.
Faulty radiator cooling
fan.
4
3
2
1
10
9
8
7
15
14
13
1A-136
S3RH0A1104072
I2RH0B110088-01
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