Toyota CH-R Service Manual: Extension Module Malfunction 2 (B1556)

Toyota CH-R Service Manual / Navigation / Multi Info Display / Navigation System / 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

CHECK DTC

(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.

USE SIMULATION METHOD TO CHECK

REPLACE NAVIGATION ECU

HD Radio Tuner Malfunction (B1551,B158D,B15B0,B15B3,B15B7,B15BA)

DESCRIPTION These DTCs are stored when a malfunction occurs in the radio and display receiver assembly. DTC No. Detection Item DTC Detection Condition T ...

Extension Module Disconnected 2 (B1543)

DESCRIPTION If the radio and display receiver assembly cannot detect the navigation ECU for a certain period of time (90 seconds) after the engine switch is turned on (ACC) and the radio and disp ...

Other materials:

Toyota CH-R Owners Manual > For safe use: SRS airbags
The SRS airbags inflate when the vehicle is subjected to certain types of severe impacts that may cause significant injury to the occupants. They work together with the seat belts to help reduce the risk of death or serious injury. SRS front airbags SRS driver airbag/front passenger a ...

Toyota CH-R Service Manual > Front Seat Inner Belt Assembly: Inspection
INSPECTION PROCEDURE 1. INSPECT FRONT SEAT INNER BELT ASSEMBLY (for Driver Side) (a) w/o Occupant Classification System: (1) Check the resistance. Measure the resistance according to the value(s) in the table below. Standard Resistance: ...