COOLING FAN ECU
COOLING FAN ECU REMOVAL AND
INSTALLATION
EG0AQ–01
COOLING FAN ECU INSPECTION
EG0AR–01
INSPECT COOLING FAN ECU
Check the connector on the wiring harness side as shown in
the chart.
Check for
Tester connection
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Condition
Specified value
Voltage
1–Ground
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Ignition switch ON
Battery voltage
Resistance
2–3
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Solenoid valve at cold (25°C (77°F))
7.68.0
Continuity
4–Ground
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–
Continuity
Continuity
5–Ground
Throttle valve open
No continuity
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Throttle valve closed
Continuity
Continuity
8–Ground
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A/C pressure SW connector disconnected
No continuity
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A/C pressure SW connector connected
Continuity
Resistance
9–10
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Engine coolant temperature at 80°C (176°F)
1.48–1.58 k
EG–282
–ENGINE TROUBLESHOOTING COOLING SYSTEM