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:
■ Anchor brackets (for top tether strap)
Anchor brackets are provided for each rear seat.
Use anchor brackets when fixing the top tether strap.
Seats with an adjustable type head restraint
Seats with an integrated type
head restraint
■ Fixing the top tether strap to the anchor bracke
DESCRIPTION The skid control ECU (brake actuator assembly) stores this DTC if malfunctions are found in a circuit inside the ECU by self diagnosis.
DTC No. Detection Item
DTC Detection Condition Trouble Area
C059704 Brake System Control Module "A" System Internal Failure