Toyota Camry (XV70): System Diagram
SYSTEM DIAGRAM
w/ Manual (SOS) Switch
w/o Manual (SOS) Switch
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System Description
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
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the navigation system.
*: Use the Techstream.
PROCEDURE
1. VEHICLE BROUGHT TO WORKSHOP
Operation Check
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
SEE MORE:
GVIF Disconnected (from Extension Module to H/U) (B153A)
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
Lost Communication With ECM/PCM "A" Missing Message (U010087,U010487,U012287)
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
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