Toyota Camry (XV70): Precaution
PRECAUTION
PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
- After the engine switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal.
- When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the terminal is reconnected.
|
System Name |
See Procedure |
|
Lane Tracing Assist System |
|
|
Pre-collision System |
|
Parking Assist Monitor System |
|
Panoramic View Monitor System |
PRECAUTION FOR NAVIGATION SYSTEM
NOTICE:
- When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:
- A communication malfunction DTC may be stored.
- The radio and display receiver assembly or navigation ECU may not operate normally.
- When performing the following work, the navigation system may restart when turning the engine switch on (ACC) (due to radio and display receiver assembly and navigation ECU certification).
- Repair or replace the negative (-) battery terminal due to it being disconnected or depleted.
- The radio and display receiver assembly or navigation ECU replacement or removal and installation.
- When replacing the DCM (telematics transceiver), make sure to replace it with a new one (w/ Manual (SOS) Switch).
- After replacing the radio and display receiver assembly, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the navigation ECU.
- After replacing the navigation ECU, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the radio and display receiver assembly.
(a) If any of the following parts are replaced, refer to Initialization in Repair Instruction.
Click here
- Radio and display receiver assembly*1
- DCM (telematics transceiver)*2
READ NEXT:
PARTS LOCATION ILLUSTRATION
*1 ROOF CONSOLE BOX SUB-ASSEMBLY
*2 TELEPHONE MICROPHONE ASSEMBLY
*3 ENGINE ROOM RELAY BLOCK AND JUNCTION BLOCK ASSEMBLY
- TV FUSE *4
SYSTEM DIAGRAM
w/ Manual (SOS) Switch
w/o Manual (SOS) Switch
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
SEE MORE:
DESCRIPTION The main body ECU (multiplex network body ECU) and tire pressure warning ECU and receiver communicate by direct line. If a malfunction occurs in this communication signal, B1247 is output by the main body ECU (multiplex network body ECU).
DTC No. Detection Item
DTC Detection
DESCRIPTION The main body ECU (multiplex network body ECU) sends signals to the tire pressure warning ECU and receiver via a direct line.
DTC No. Detection Item
DTC Detection Condition Trouble Area
Note C2179
Tire Pressure Monitor ECU Communication Stop
Communicat