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 ...

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Toyota CH-R Service Manual > Continuously Variable Transaxle Assembly(when Using The Engine Support Bridge): Components
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Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Reverse Signal Circuit
DESCRIPTION The radio and display receiver assembly receives a reverse signal from the park/neutral position switch. WIRING DIAGRAM PROCEDURE 1. CHECK BACK-UP LIGHT (a) Move the shift lever to R and check if the back-up lights come on. OK: The back-up ligh ...