Component Function Check
1.CHECK COOLING FAN FUNCTION
With CONSULT
Is the inspection result normal? YES >> INSPECTION END
NO >> Proceed to EC-458, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK COOLING FAN RELAY POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> GO TO 2.
NO >> Perform trouble diagnosis for power supply circuit.
2.CHECK COOLING FAN MOTOR CIRCUIT-1
Check the voltage between cooling fan relays-2, -3 harness connectors and ground.
Is the inspection result normal? YES >> GO TO 3.
NO >> GO TO 4.
3.CHECK COOLING FAN RELAY OUTPUT SIGNAL CIRCUIT
Is the inspection result normal? YES >> GO TO 6.
NO >> Repair or replace error-detected parts.
4.CHECK COOLING FAN MOTOR POWER SUPPLY CIRCUIT
Is the inspection result normal? YES >> GO TO 5.
NO >> Perform trouble diagnosis for power supply circuit.
5.CHECK COOLING FAN MOTOR CIRCUIT-2
Is the inspection result normal? YES >> GO TO 11.
NO >> Repair or replace error-detected parts.
6.CHECK COOLING FAN MOTOR CIRCUIT-3
Is the inspection result normal? YES >> GO TO 7.
NO >> Repair or replace error-detected parts.
7.CHECK COOLING FAN MOTOR CIRCUIT-4
Is the inspection result normal? YES >> GO TO 8.
NO >> Repair or replace error-detected parts.
8.CHECK COOLING FAN MOTOR CIRCUIT-5
Is the inspection result normal? YES >> GO TO 9.
NO >> Repair or replace error-detected parts.
9.CHECK COOLING FAN MOTOR CIRCUIT-4
Is the inspection result normal? YES >> GO TO 10.
NO >> Repair or replace error-detected parts.
10.CHECK COOLING FAN RELAY-2 AND -3
Refer to EC-461, "Component Inspection (Cooling Fan Relay)".
Is the inspection result normal? YES >> GO TO 11.
NO >> Replace malfunctioning cooling fan relay.
11.CHECK COOLING FAN MOTORS-1 AND -2
Refer to EC-461, "Component Inspection (Cooling Fan Motor)".
Is the inspection result normal? YES >> GO TO 12.
NO >> Replace malfunctioning cooling fan motor. Refer to CO-17, "Removal and Installation".
12.CHECK INTERMITTENT INCIDENT
Perform GI-41, "Intermittent Incident".
Is the inspection result normal? YES >> Replace IPDM E/R. Refer to PCS-35, "Removal and Installation".
NO >> Repair or replace error-detected parts.
Component Inspection (Cooling Fan Motor)
1.CHECK COOLING FAN MOTOR
Check that cooling fan speed of condition B is higher than that of A.
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace cooling fan motor. Refer to CO-17, "Removal and Installation".
Component Inspection (Cooling Fan Relay)
1.CHECK COOLING FAN RELAYS
Is the inspection result normal? YES >> INSPECTION END
NO >> Replace cooling fan relay.
Accelerator pedal released position learning
Description
Accelerator Pedal Released Position Learning is a function of ECM to learn
the fully released position of the
accelerator pedal by monitoring the accelerator pedal position sensor output
signal. It must be performed each
time harness connector of accelerator pedal position sensor ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Trouble Diagnosis Flow Chart
Trouble Diagnosis Procedure
INTERVIEW WITH CUSTOMER
Interview with the customer is important to detect the root cause of CAN
communication system errors and to
understand vehicle condition and symptoms for proper trouble diagnosis ...
B terminal circuit
Description
Terminal “B” is constantly supplied with battery power.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to STR-7, "Wiring Diagram".
CAUTION:
Perform diagnosis under the condition that the engine cannot start by the
following procedure.
Remov ...