Description
The AV control unit sends audio signals to the tweeters using the front door speaker circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the AV control unit and speaker connectors for the following:
2.HARNESS CHECK
3.TWEETER SIGNAL CHECK
Power steering oil pump
Inspection
CAUTION: Make sure that belt tension is
normal before starting the following procedure.
Connect the Tool between oil pump discharge connector and
high-pressure hose. Bleed air from the hydraulic circuit while opening
the shut-off valve fully. Refer to ST-12, "Inspection".
...
ECU diagnosis information
CLIMATE CONTROLLED SEAT CONTROL UNIT
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
Fail-safe
Climate controlled seat control unit equips fail-safe function.
When a malfunction occurs in the systems shown as per the following,
climate controlled seat control unit
stops output. ...
Symptom diagnosis
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic Worksheet during the interview to
document the facts and conditions when the noise occurs and any customer' ...