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ELEC
COOLING SYSTEM
EAS00809
YES
NO
YES
NO
EAS00813
YES
NO
4. Radiator fan motor
• Disconnect the radiator fan motor coupler
from the wire harness.
• Connect the battery (DC 12 V) as shown.
Positive battery lead
→
red
1
Negative battery lead
→
black
2
• Does the radiator fan motor turn?
The radiator fan
motor is faulty and
must be replaced.
5. Radiator fan motor relay
• Disconnect the radiator fan motor relay
from the wire harness.
• Connect the pocket tester (
Ω
×
1) and bat-
tery (DC 12 V) to the radiator fan motor ter-
minal as shown.
• Check the radiator fan motor for continuity.
Battery positive terminal
→
red/white
1
Battery negative terminal
→
green/yellow
2
Positive tester probe
→
brown
3
Negative tester probe
→
blue
4
• Does the radiator fan motor relay have con-
tinuity between brown and blue?
Replace the radiator
fan motor relay.
6. Wiring
• Check the entire cooling system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
• Is the cooling system’s wiring properly
connected and without defects?
Replace the ECU. Properly connect or
repair the cooling
system’s wiring.
+
Br
L
R/W
G/Y
1
2
3
4