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 |
|---|---|---|
|
F130-28 (REV2) - F135-19 (REV2) |
Always |
Below 1 Ω |
|
F130-28 (REV2) or F135-19 (REV2) - 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
Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECUToyota CH-R Service Manual > Airbag System: Lost Communication with Front Airbag Sensor RH (B1612/83,B1613/83)
DESCRIPTION
The front airbag sensor RH circuit consists of the airbag sensor assembly and
front airbag sensor RH.
The front airbag sensor RH detects impacts to the vehicle and sends signals to
the airbag sensor assembly to determine if the airbags and pretensioners should
be deployed.
These ...
Toyota CH-R Service Manual > Meter / Gauge System: Meter Illumination is Always Dark
DESCRIPTION
The combination meter assembly receives signals from this circuit to adjust the
illumination of the combination meter assembly. The combination meter assembly sets
the illumination level based on the user operation of the light control rheostat
switch.
WIRING DIAGRAM
CAUTION / ...