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

• A communication malfunction DTC may be stored.
• The navigation ECU may not operate normally.

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 Service Manual > Smart Key System(for Entry Function): Terminals Of Ecu
TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the F1 certification ECU (smart key ECU assembly) connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the conne ...

Toyota CH-R Service Manual > Airbag System: Short in Passenger Side Front Seat Cushion Squib Circuit (B1875/67-B1878/67)
DESCRIPTION The passenger side front seat cushion squib circuit consists of the airbag sensor assembly and front seat cushion airbag assembly RH. The airbag sensor assembly uses this circuit to deploy the airbag when deployment conditions are met. These DTCs are stored when a malfunction is d ...