Toyota CH-R Service Manual: Voice Guidance does not Function

Toyota CH-R Service Manual / Navigation / Multi Info Display / Navigation System / Voice Guidance does not Function

WIRING DIAGRAM

PROCEDURE

1.

CHECK VOICE GUIDANCE SETTING

(a) Check that the voice guidance setting is not off.

OK:

Voice guidance setting is not off.

NG

CHANGE VOICE GUIDANCE SETTING TO ON
OK

2.

CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NAVIGATION ECU)

(a) Disconnect the F130 radio and display receiver assembly connector.

(b) Disconnect the F135 navigation ECU connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

F130-22 (SI+) - F135-6 (VOI+)

Always

Below 1 Ω

F130-23 (SI-) - F135-7 (VOI-)

Always

Below 1 Ω

F130-22 (SI+) or F135-6 (VOI+) - Body ground

Always

10 kΩ or higher

F130-23 (SI-) or F135-7 (VOI-) - Body ground

Always

10 kΩ or higher

F135-8 (SLD1) - Body ground

Always

10 kΩ or higher
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
    Cursor or Map Rotates when Vehicle Stopped
    PROCEDURE 1. CHECK CONDITION (a) Check with the customer if the vehicle has been turned by a turntable. OK: Vehicle has not been turned by a turntab ...

    Route cannot be Calculated
    PROCEDURE 1. SET DESTINATION (a) Set another destination and check if the system can calculate the route correctly. OK: Route can be correctly calculated. ...

    Other materials:

    Toyota CH-R Service Manual > Pre-collision System: Skid Control Buzzer Circuit (C1A4A)
    DESCRIPTION The millimeter wave radar sensor assembly is connected to the forward recognition camera via CAN communication. The millimeter wave radar sensor assembly operates the pre-collision alarm by sending a buzzer request signal to the pre-collision city buzzer. If the millimeter wave ra ...

    Toyota CH-R Service Manual > Pre-collision System: System Description
    SYSTEM DESCRIPTION PRE-COLLISION SYSTEM DESCRIPTION (a) The pre-collision system uses the pre-collision alarm control, pre-collision brake assist control and pre-collision brake control to help avoid a collision or reduce the impact if it determines that the possibility of a collision is high ...

    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
    0.0067