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 When the engine switch is turned on (IG), the battery voltage is applied to the IGSW terminal of the ECM.
The output signal from the MREL terminal of the ECM causes a current to flow to the coil of the EFI-MAIN NO. 1 relay, closing the contacts and supplying power to terminals +B and +
REMOVAL CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during roof antenna assembly removal/installation are shown below. Necessary Procedure After Parts Removed/I