Toyota CH-R Service Manual: Navigation Processor Malfunction (B15AD)

Toyota CH-R Service Manual / Navigation / Multi Info Display / Navigation System / Navigation Processor Malfunction (B15AD)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the navigation ECU.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15AD

Navigation Processor Malfunction

When either condition below is met:

  • A short to ground, short to +B or open occurs in the gyro signal circuit
  • Gyro sensor 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

1.

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.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE NAVIGATION ECU

    GPS Antenna Connection Malfunction(short) (B15C0,B15C1)
    DESCRIPTION These DTCs are stored when a malfunction occurs in the navigation antenna assembly. DTC No. Detection Item DTC Detection Condition Trouble Are ...

    AV Signal Stoppage (Low Battery Voltage) (B158F)
    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. ...

    Other materials:

    Toyota CH-R Service Manual > Front Door Window Frame Moulding: Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during the front door window frame moulding removal/installation are shown below. Necessary Procedure Af ...

    Toyota CH-R Service Manual > Wireless Door Lock Control System(w/ Smart Key System): Terminals Of Ecu
    TERMINALS OF ECU CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *A Main Body ECU (Multiplex Network Body ECU) with 2 Connectors - - *1 Main Body ECU (Multiplex Network Body EC ...

    Toyota C-HR (AX20) 2023-2026 Owner's Manual

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2026 Copyright www.tochr.net
    0.0081