Approximately five hours after the engine is turned off, you may hear sound coming from under the vehicle for several minutes.
This is the sound of a fuel evaporation leakage check and, it does not indicate a malfunction.
If you think something is wrong
Fuel pump shut off systemPrecaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after the cable is reconnected.
System Name
...
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT)
(a) Disconnect the L20 ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Tester Connection
Wiring Color
...
Rear Power Window LH does not Operate with Rear Power Window Switch LH
DESCRIPTION
When the engine is running or the ignition switch is ON, the power window regulator
motor assembly (for rear LH side) is operated by the power window regulator switch
assembly (for rear LH side). The power window regulator motor has motor, reg ...