Toyota CH-R Service Manual: AV Signal Stoppage (Low Battery Voltage) (B158F)

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

Detection Item

DTC Detection Condition

Trouble Area

B158F

AV Signal Stoppage (Low Battery Voltage)

A video or audio signal is interrupted when the battery voltage drops

  • Radio and display receiver assembly
  • Harness or connector

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

    Click here

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC is stored.
    • The radio and display receiver assembly may not operate normally.
  • Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK VEHICLE SIGNAL (OPERATION CHECK)

(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check.

Click here

(b) Measure the battery voltage.

Standard Voltage:

11 to 14 V

HINT:

This display is updated once per second.

NG

GO TO STEP 3

OK

2.

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

END

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

3.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY POWER SOURCE)

(a) Disconnect the radio and display receiver assembly connector.

*a

Front view of wire harness connector

(to Radio and Display Receiver Assembly)

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection

Condition

Specified Condition

F131-4 (+B1) - Body ground

Always

11 to 14 V

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

    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 ...

    USB Device Malfunction (B1585)
    DESCRIPTION This DTC is stored when a malfunction occurs in a connected device. DTC No. Detection Item DTC Detection Condition Trouble Area ...

    Other materials:

    Toyota CH-R Service Manual > Wiper Switch: Installation
    INSTALLATION PROCEDURE 1. INSTALL WINDSHIELD WIPER SWITCH ASSEMBLY (a) Engage the claw to install the windshield wiper switch assembly as shown in the illustration. Install in this Direction (b) Connect the 2 connectors. 2. INSTALL UPPER STEERING COLUMN COVER ...

    Toyota CH-R Service Manual > Front Door: Disassembly
    DISASSEMBLY 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 removal/installation are shown below. Necessary Procedures After Parts Removed ...

    © 2017-2019 Copyright www.tochr.net
    0.0162