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 > Safety Connect System: Backup Battery Failure (B15CC)
DESCRIPTION
This DTC is set when the DCM (Telematics Transceiver) detects one of the following:
The BUB (Back-Up Battery) voltage drops or the BUB (Back-Up Battery)
malfunctions.
The BUB (Back-Up Battery) temperature is (temporarily) high.
DTC No.
Detect ...
Toyota CH-R Service Manual > Front Evaporator Temperature Sensor(for Valeo Made): Inspection
INSPECTION
PROCEDURE
1. INSPECT NO. 1 COOLER THERMISTOR
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
*a
Component without harness connected
(No. 1 Cooler Thermistor)
*b
Sensing Portion
...