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
DTC No. Detection Item
DTC Detection Condition Trouble Area
B153A GVIF Disconnected (from Extension Module to H/U)
GVIF disconnected (from navigation ECU to radio and display receiver assembly)
No. 1 navigation wire
Navigation ECU
Rad
DATA LIST / ACTIVE TEST DATA LIST HINT:
Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be