WIRING DIAGRAM
PROCEDURE
1. |
CHECK VOICE GUIDANCE SETTING |
(a) Check that the voice guidance setting is not off.
OK:
Voice guidance setting is not off.
NG | ![]() |
CHANGE VOICE GUIDANCE SETTING TO ON |
|
2. |
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 |
---|---|---|
F130-22 (SI+) - F135-6 (VOI+) |
Always |
Below 1 Ω |
F130-23 (SI-) - F135-7 (VOI-) |
Always |
Below 1 Ω |
F130-22 (SI+) or F135-6 (VOI+) - Body ground |
Always |
10 kΩ or higher |
F130-23 (SI-) or F135-7 (VOI-) - Body ground |
Always |
10 kΩ or higher |
F135-8 (SLD1) - 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 System: Radio Receiver Power Source Circuit
DESCRIPTION
This is the power source circuit to operate the radio and display receiver assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
procedure.
PROCEDURE
1.
CHECK HARNES ...
Toyota CH-R Service Manual > Window Defogger System: Precaution
PRECAUTION
IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
Engine Swi ...