Toyota CH-R Service Manual: 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 > Instrument Panel Safety Pad: Reassembly
    REASSEMBLY PROCEDURE 1. INSTALL NO. 1 INSTRUMENT PANEL CUSHION (a) Install a new instrument panel cushion as shown in the illustration. Standard Measurement: Area Measurement A 3.0 mm (0.118 in.) ...

    Toyota CH-R Service Manual > Front Wiper Motor: Installation
    INSTALLATION CAUTION / NOTICE / HINT NOTICE: Make sure to hold the front wiper arm while lifting it as lifting the front wiper arm by the front wiper blade may damage or deform the front wiper blade. PROCEDURE 1. INSTALL WINDSHIELD WIPER MOTOR ASSEMBLY (a) for USA and Canada: (1) Install th ...

    Toyota C-HR (AX20) 2023-2025 Owner's Manual

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2025 Copyright www.tochr.net
    0.0128