Toyota Camry (XV70): Extension Module Malfunction 2 (B1556)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the Navigation ECU.
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
B1556 | Extension Module Malfunction 2 |
When any of the following conditions is met:
- Internal power supply malfunction
- Internal hard drive malfunction
- EEPROM error
- Storage malfunction
| Navigation ECU |
CAUTION / NOTICE / HINT
NOTICE:
When replacing the navigation ECU, always replace it with a new one. If a navigation ECU which was installed to another vehicle is used, the following may occur:
- A communication malfunction DTC may be stored.
- The navigation ECU may not operate normally.
PROCEDURE
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes
OK:
No DTCs are output.
READ NEXT:
DESCRIPTION The radio and display receiver assembly, roof console box sub-assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines.
DESCRIPTION This DTC is stored when a malfunction occurs in a connected device.
DTC No. Detection Item
DTC Detection Condition Trouble Area
B1585 USB Device Malfunction
DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the radio and display receiver assembly dropping temporarily.
DTC No. Detection Item
SEE MORE:
REMOVAL CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. PRECAUTION Click here
2. RELEASE PARKING BRAKE (a) Move the shift lever to P.
(b) Turn the engine switch on (IG). (c) Operate the ele
The garage door opener can be programmed to operate garage
doors, gates, entry doors, door locks, home lighting systems,
security systems, and other devices.
System components
The HomeLink wireless control system in your vehicle has 3 buttons
which can be programmed to operate 3 different devic