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.

CHANGE VOICE GUIDANCE SETTING TO ON

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.

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

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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. ...

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