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Engine
Cooling Fan Harness Connector CA16
86
2
1
J
L
87
30
5
85
3
1
K
2
1
I
5 3
5
2
3
87
Yes
Replace high speed cooling fan relay A. Confirm whether the fault has been fixed.
Step 7
Step 8
Check high speed relay A coil power supply.
86
2
J
1
L
87
30
5
85
3
1
K
2
1
I
5 3
5
2
3
87
Yes
Step 9
Check high speed relay A control circuit.
1
2
3
EF28
EF27
EF08
1
5 3
G
2
30
EF01
3
86
85
F
87
3
86
86
B
E
87
87
30
85
85
86
1413 12 11 10
86
30
87
A
A
9
8
6
5
7
85
4
3
2
1
85
FE02-7804b
EF28
EF27
EF08
1
G
5 3
2
30
EF01
3
86
85
F
87
3
86
86
B
E
30
87
87
85
85
86
1413 12 11 10
86
87
A
9
8
6
5
30
A
7
85
4
3
2
1
85
FE02-7805b
Engine Cooling System JL4G15-D
(a)
Turn the ignition switch to "OFF" position.
(b)
Remove the High-Speed cooling fan relay.
(c)
Disconnect cooling fan wiring harness connector CA16.
(d)
Test continuity between high speed cooling fan relay A
terminal No.30 and cooling fan wiring harness connector
CA16 terminal No.2.
(e)
Measure resistance between high speed cooling fan relay A
terminal No.30 and a reliable ground. check whether the
circuit is short to ground.
Standard Value:
Test Items
Resistance Between Relay A (30) and
CA16 (2)
2
Resistance Between Relay A (30) and
5
D
1
2
A Reliable Ground
5
C
1
30
Are measured values specified values?
30
No
(a)
Turn the ignition switch to "OFF" position.
(b)
Remove the High-Speed cooling fan relay A.
(c)
Turn the ignition switch to "ON" position.
(d)
Measure voltage between high speed cooling fan relay A
terminal No.85 and a reliable ground.
2
5
D
Standard Voltage: 11-14 V
1
2
5
C
1
Is the voltage specified value?
30
No
30
EC718/EC718RV EC715/EC715RV 10/2009
Specified Value
Less than 1 Ω
10 kΩ or higher
Circuit between cooling fan relay terminal No.
30 and wiring harness connector CA16
terminal No.2 is faulty. check and Repair the
faulty part.
Circuit between relay terminal No.85 and
main relay terminal No.3 is open.
2-843
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