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.
Brake pedal position switch
Electrical load signalU1000 CAN COMM circuit
DTC Logic
DTC DETECTION LOGIC
DTC
CONSULT
Detection Condition
Possible Cause
U1000
CAN COMM CIRC
[U1000]
When combination meter is not transmitting or receiving CAN
communication signals for 2 seconds or more.
CAN communication system
D ...
Hill descent control switch (if so equipped)
Hill descent control switch (if so equipped)
WARNING
Never rely solely on the hill descent
control system to control vehicle speed
when driving on steep downhill grades.
Always drive carefully when using the
hill descent control system and decelerate
the vehic ...
Active trace control
This system senses driving based on the driver’s
steering and acceleration/braking patterns, and
controls brake pressure at individual wheels to
aid tracing at corners and help smooth vehicle
response.
The Active Trace Control can be set to ON (enabled)
or OFF (disabled) through the Vehicl ...