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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
Step 7
Replace the high-speed cooling fan relay A. Confirm the fault has been fixed.
Check high-speed relay A coil power supply.
Step 8
86
2
J
1
87
L
30
5
85
3
1
2
K
1
I
5 3
5
2
3
87
Yes
Check the high-speed relay A control circuit.
Step 9
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
F
85
87
3
86
86
87
B
87
E
30
85
85
86
1413 12 11 10
86
87
A
9
8
6
5
A
30
7
85
4
3
2
1
85
FE02-7805b
(a)
Turn the ignition switch to "OFF" position.
(b)
Remove the high-speed cooling fan relay.
(c)
Disconnect the cooling fan wiring harness connector CA16.
(d)
Test the continuity between the high-speed cooling fan relay
A terminal No.30 and the cooling fan wiring harness
connector CA16 terminal No.2.
(e)
Measure resistance between the high-speed cooling fan
relay A terminal No.30 and a reliable ground. check whether
there is a short to ground circuit.
Standard Value:
Test Items
Relay A (30)-CA16 (2)
Resistance Between Relay A (30) and
2
A Reliable Ground
5
D
1
2
5
C
1
Is the measured value specified value?
30
No
30
(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 85
terminal A and a reliable ground.
2
D
5
Standard Voltage: 11-14 V
1
2
5
C
1
Is the voltage specified value?
30
No
30
EC718/EC718RV EC715/EC715RV 10/2009
Cooling System JL4G18-D
Circuit between the relay terminal No.30 and
the cooling fan wiring harness connector
CA16 terminal No.2 is fault. check and Repair
the faulty part.
Circuit between relay 85 terminals and the
main relay terminal No.3 is open.
2-467
Specified Value
Less than 1 Ω
10 kΩ or higher
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