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 |
Toyota CH-R Service Manual > Smart Key System(for Entry Function): Terminals Of Ecu
TERMINALS OF ECU
CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the F1 certification ECU (smart key ECU assembly) connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wire harness side with the conne ...
Toyota CH-R Service Manual > Can Communication System: Dtc Combination Table
DTC COMBINATION TABLE
HOW TO INTERPRET COMMUNICATION DTCS (DTCS THAT START WITH U)
(a) If a CAN communication error cannot be reproduced, determine the suspected
malfunctioning part using the DTCs stored in ECUs that are connected to the CAN
buses by following the procedure below.
HINT:
Comm ...