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 > Pre-collision System: Other System Malfunction (C1A63)
    DESCRIPTION The millimeter wave radar sensor receives the throttle signal from the ECM and judges whether the driver is making an acceleration request. When the ECM detects an electronic throttle malfunction, it informs the millimeter wave radar sensor via CAN communication and sets DTC C1A63. ...

    Toyota CH-R Service Manual > Lighting System: Terminals Of Ecu
    TERMINALS OF ECU *A Main Body ECU (Multiplex Network Body ECU) with 1 Connector - - *A Main Body ECU (Multiplex Network Body ECU) with 2 Connectors - - CHECK INSTRUMENT PANEL JUNCTION BLO ...

    © 2017-2019 Copyright www.tochr.net
    0.0209