Toyota CH-R Service Manual: Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU

Toyota CH-R Service Manual / Navigation / Multi Info Display / Navigation System / Reverse Signal Circuit between Radio Receiver Assembly and Navigation ECU

DESCRIPTION

This circuit includes the navigation ECU and radio and display receiver assembly.

WIRING DIAGRAM

PROCEDURE

1.	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
F130-28 (REV2) - F135-19 (REV2)	Always	Below 1 Ω
F130-28 (REV2) or F135-19 (REV2) - Body ground	Always	10 kΩ or higher

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

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