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 systemSystem Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Main body ECU (Driver side junction block assembly)
Sliding roof ECU (Sliding roof drive gear sub-assembly)
Key ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the front power seat control
system (w/ Memory).
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
...
ACIS Control Circuit
DESCRIPTION
This circuit opens and closes the Intake Air Control Valve (IACV) in response
to the engine load in order to increase the intake efficiency (ACIS: Acoustic Control
Induction System).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspe ...