Toyota Camry (XV70): How To Troubleshoot Ecu Controlled Systems
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GENERAL INFORMATION
A large number of ECU controlled systems are used in this vehicle. In general, ECU controlled systems are considered to be very intricate, requiring a high level of technical
ELECTRONIC CIRCUIT INSPECTION PROCEDURE BASIC INSPECTION
(a) WHEN MEASURING RESISTANCE OF ELECTRONIC PARTS (1) Unless otherwise stated, all resistance measurements are standard values measured at an
HOW TO PROCEED WITH TROUBLESHOOTING OPERATION FLOW
HINT: Perform troubleshooting in accordance with the procedure below. The following is an outline of basic troubleshooting procedure. Confirm the t
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DESCRIPTION
Detection Item Symptom
Trouble Area Radio Receiver Assembly Communication Stop Mode
Any of the following conditions are met:
Communication stop for "Display and Navigation (AVN)" is indicated on the "Communication Bus Check" screen of the Techstream.
C
DESCRIPTION The radio and display receiver assembly receives a reverse signal from the BKUP LP relay. WIRING DIAGRAM
PROCEDURE
1.
CHECK BACK-UP LIGHT (a) Move the shift lever to R and check if the back-up lights come on.
OK: The back-up lights come on.
NG
GO TO LIGHTIN