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:
Lost Communication with Power Source Control (B278C)
DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and power management control ECU stops for 10 seconds or more.
DTC No. Detection Item
DTC Detection Condition Trouble Area
B278C Lost Communication with Power Source
Installation
INSTALLATION PROCEDURE 1. INSTALL HEATED OXYGEN SENSOR (for Bank 2)
HINT: Perform "Inspection After Repair" after replacing the heated oxygen sensor.
Click here
(a) Using SST, install the heated oxygen sensor to the front exhaust pipe assembly.
SST: 09224-00012 Torque: Specified
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