Toyota Camry (XV70): System Diagram
SYSTEM DIAGRAM

w/ Manual (SOS) Switch

w/o Manual (SOS) Switch

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SYSTEM DESCRIPTION NAVIGATION SYSTEM OUTLINE (a) Vehicle position tracking methods
It is essential that the navigation system correctly tracks the current vehicle position and displays it on the map
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the navigation system.
*: Use the Techstream.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
OPERATION CHECK CHECK NAVIGATION SYSTEM NORMAL CONDITION
(a) If the cause of a symptom is any of the following, the corresponding symptom is normal; it is not due to a malfunction.
Symptom A
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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
DESCRIPTION The ECM communicates with each sensor and ECU via CAN communication.
If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored.
DTC No. Detection Item
DTC Detection Condition Trouble Area
DTC Output from