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Do you have CONSULT-III? YES >> GO TO 12.
NO >> GO TO 13. “ 0.000 ” displayed?
YES >> INSPECTION END
NO >> GO TO 13. MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Special Repair Requirement " .
Do you have CONSULT-III? YES >> GO TO 14.
NO >> INSPECTION END
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Auto Active
Test " .
2. Check that cooling fan operates at each speed.
Is the inspection result normal? YES >> INSPECTION END
NO >> Refer to EC-424, " Diagnosis Procedure " .
Cooling fan Speed
Cooling fan motor terminals
(+) (–)
Low (LOW) 1 3 and 4
2 3 and 4
1 and 2 3
1 and 2 4
High (HI) 1 and 2 3 and 4
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Wiring Diagram
INFOID:0000000004780695
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3. Check the voltage between IPDM E/R harness connector and
ground.
OK or NG OK >> GO TO 3.
NG >> GO TO 2. OK (Models with A/C)>>GO TO 4.
OK (Models without A/C)>>GO TO 6.
NG >> Repair open circuit or short to power in harness or connectors. OK >> GO TO 8.
NG >> GO TO 5. IPDM E/R Cooling fan motor
Continuity
Connector Terminal Connector Terminal
E44 20
E3 1 Existed
24
Cooling fan motor Ground Continuity
Connector Terminal
E3 2 Ground Existed
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OK >> GO TO 8.
NG >> GO TO 7. Component Inspection " .
OK or NG OK >> GO TO 9.
NG >> Replace cooling fan motor. Diagnosis Procedure " .
OK or NG OK >> Replace IPDM E/R. Refer to
PG-27, " Removal and Installation of IPDM E/R " .
NG >> Repair or replace harness or connector.
Component Inspection INFOID:0000000004780696
COOLING FAN MOTOR
Model with A/C IPDM E/R Cooling fan motor
Continuity
Connector Terminal Connector Terminal
E44 20
E3 1
Existed
23 3
24 2
Cooling fan motor Ground Continuity
Connector Terminal
E3 4 Ground Existed
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1. Disconnect cooling fan motor harness connectors.
2. Supply cooling fan motor terminals with battery voltage and check operation.
Cooling fan motor should operate.
If NG, replace cooling fan motor.
Models without A/C 1. Disconnect cooling fan motor harness connectors.
2. Supply cooling fan motor terminals with battery voltage and check operation.
Cooling fan motor should operate.
If NG, replace cooling fan motor. Terminals
(+) (-)
Cooling fan motor 1 2
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YES >> GO TO 2.
NO >> Go to EC-428, " Diagnosis Procedure " .
YES >> GO TO 3.
NO >> Go to EC-428, " Diagnosis Procedure " .
YES >> INSPECTION END
NO >> Go to EC-428, " Diagnosis Procedure " .
Diagnosis Procedure INFOID:0000000004780356 Compo-
nent Function Check " .
Which circuit is related to the incident? Rear window defogger>>GO TO 2.
Headlamp>>GO TO 3.
Heater fan>>GO TO 4. Work Flow " .
Monitor item Condition Indication
LOAD SIGNAL Rear window defogger switch ON ON
OFF OFF Monitor item Condition Indication
LOAD SIGNAL Lighting switch ON at 2nd position ON
OFF OFF Monitor item Condition Indication
HEATER FAN SW Heater fan control switch ON ON
OFF OFF