DIAGNOSIS AND REPAIR WORKFLOW
Interview Sheet

Precaution
System descriptionHorn function
Description
Perform answer-back for each operation with horn.
Component Function Check
1. CHECK FUNCTION
Select HORN in "ACTIVE TEST" mode with CONSULT.
Check the horn (high/low) operation.
Diagnosis Procedure
1. CHECK HORN FUNCTION
Check horn function with horn switch
2. CHECK ...
Composite image signal circuit
Description
AV control unit transmits the playback DVD image signal and AUX image signal
to the display unit.
Diagnosis Procedure
1.CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect AV control unit connector M163 and display unit
connector
M142 ...
ECU diagnosis information
BCM (BODY CONTROL MODULE)
Reference Value
NOTE: The Signal Tech II Tool (J-50190) can be used
to perform the following functions. Refer to the Signal Tech II User Guide
for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the ...