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

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

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

F130-7 (SUP) - F135-21 (SUP)

Always

Below 1 Ω

F130-7 (SUP) or F135-21 (SUP) - 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

    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 RE ...

    Microphone Circuit
    DESCRIPTION The radio and display receiver assembly, map light assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines. Usin ...

    Other materials:

    Toyota CH-R Service Manual > Power Window Control System: Data List / Active Test
    DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may ...

    Toyota CH-R Service Manual > Hazard Warning Switch: Removal
    REMOVAL PROCEDURE 1. REMOVE INSTRUMENT CLUSTER FINISH PANEL GARNISH ASSEMBLY Click here 2. REMOVE INSTRUMENT CLUSTER FINISH LOWER CENTER PANEL SUB-ASSEMBLY Click here 3. REMOVE INSTRUMENT PANEL CENTER REGISTER ASSEMBLY Click here 4. REMOVE HAZARD WARNING SIGNAL SWITCH A ...

    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
    0.0089