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
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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
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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
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