DESCRIPTION
This is the power source circuit to operate the radio 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 HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY POWER SOURCE) |
(a) Disconnect the radio receiver assembly connector.
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F48-4 (+B1) - F48-7 (GND1) |
Always |
11 to 14 V |
|
F48-3 (ACC1) - F48-7 (GND1) |
Ignition switch ACC |
11 to 14 V |
| OK | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Microphone Circuit between Microphone and Radio ReceiverToyota CH-R Service Manual > Window / Glass: Window Defogger Wire
Precaution
PRECAUTION
IGNITION SWITCH EXPRESSIONS
(a) The type of ignition switch used on this model differs depending on the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ignition Switch (Position)
...
Toyota CH-R Service Manual > Tire Pressure Warning System: Transmitter ID not Received in Main Mode (C2126/26)
DESCRIPTION
After all IDs are registered, DTC C2126/26 is stored in the tire pressure warning
ECU and receiver and the tire pressure warning light blinks for 1 minute and then
illuminates.
When the tire pressure warning ECU and receiver successfully receives radio waves
from all the transmit ...