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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INSTALLATION
PROCEDURE
1. INSTALL LOWER DEFROSTER NOZZLE ASSEMBLY
(a) Engage the claws to install the lower defroster nozzle assembly.
2. TEMPORARILY INSTALL AIR CONDITIONER UNIT ASSEMBLY
(a) Temporarily install the air conditioner unit ...
Toyota CH-R Service Manual > Steering Pad: On-vehicle Inspection
ON-VEHICLE INSPECTION
CAUTION / NOTICE / HINT
CAUTION:
Be sure to correctly follow the removal and installation procedures for the horn
button assembly.
PROCEDURE
1. INSPECT HORN BUTTON ASSEMBLY (for Vehicle not Involved in Collision)
(a) Perform a diagnostic system check.
Click here
(b) ...