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 > Navigation Ecu: Components
COMPONENTS
ILLUSTRATION
*1
COWL SIDE TRIM BOARD LH
*2
FRONT DOOR SCUFF PLATE LH
*3
INSTRUMENT CLUSTER FINISH LOWER CENTER PANEL SUB-ASSEMBLY
*4
INSTRUMENT CLUSTER FINISH PANEL GARNISH ASSEMBLY
...
Toyota CH-R Service Manual > Lighting System: Ambient Illumination Light Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the ambient illumination
lights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the lights for circuits related to this system before performing
the following procedure.
Before replacing the main ECU ...