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
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Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS CHECK FOR INTERMITTENT PROBLEMS
HINT: A momentary interruption (open circuit) in the connectors and/or wire harness between the sensors and ECUs can be detected using the Data List function of the Techstream.
(a) Turn the ignition switch off. (b) Connect the Techs
Combination Meter ECU Communication Stop Mode
DESCRIPTION
Detection Item Symptom
Trouble Area Combination Meter ECU Communication Stop Mode
Any of the following conditions are met:
Communication stop for "Combination Meter" is indicated on the "Communication Bus Check" screen of the Techstream.
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