CHECK BATTERY VOLTAGE
Measure the battery voltage. Refer to Work Flow.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Replace battery.
CHECK POWER SUPPLY CIRCUIT
Check Intelligent Key unit power supply circuit. Refer to Diagnosis Procedure.
Is the circuit normal?
YES >>Replace Intelligent Key unit. Refer to Removal and Installation.
NO >>Repair the malfunctioning part.
Confirmation ProcedureSystem description
Component parts
Component parts location
Front tweeter LH
Steering switches
Audio unit
Front tweeter RH
Microphone
Front door speaker LH
Front door speaker RH
Rear door speaker LH
Rear door speaker RH
Rear woofer RH
Rear woofer LH
Antenna amp.
Satellite antenna
Win ...
P0078 EVT Control solenoid valve
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0078
EX V/T ACT/CIRC-B1
(Exhaust valve control solenoid circuit
bank 1)
An improper voltage is sent to the ECM
through exhaust v ...
Normal Operating Condition
Symptom Description
Symptom Description
FUEL CUT CONTROL (AT NO LOAD AND HIGH ENGINE SPEED)
If the status of that the engine speed is above 2,500 rpm under no
load (at 0 km/h and the selector lever position is P or N) takes more than the
specified time, fuel will be cut off after s ...