Toyota CH-R Service Manual: 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 HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - POWER SOURCE) |
(a) Disconnect the F129 and F131 radio and display receiver assembly connectors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F129-1 (GND1) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
F129-4 (+B1) - F129-1 (GND1) |
Always |
11 to 14 V |
|
F129-15 (ACC1) - F129-1 (GND1) |
Engine switch on (ACC) |
11 to 14 V |
|
F131-19 (IG) - F129-1 (GND1) |
Engine switch on (IG) |
11 to 14 V |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Microphone Circuit
DESCRIPTION
The radio and display receiver assembly, map light assembly and telephone microphone
assembly are connected to each other using the microphone connection detection signal
lines.
Usin ...
Other materials:
Toyota CH-R Owners Manual > Do-it-yourself maintenance: Wireless remote control/electronic key battery
Replace the battery with a new one if it is depleted.
You will need the following items:
Flathead screwdriver
Small flathead screwdriver
Lithium battery
Vehicles without a smart key system: CR1620
Vehicles with a smart key system: CR2032
Replacing the battery
Vehicles without a smart ...
Toyota CH-R Owners Manual > Do-it-yourself maintenance: Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
1. Turn the engine switch off.
2. Open the fuse box cover.
Engine compartment type A fuse box
While pushing the 2 claws, lift up the cover.
When closing the co ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
- Introduction
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KIA Niro EV / Hybrid (SG2) - (2021-2023) - Owner's manual
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