Toyota CH-R Service Manual: Dcm Power Source Circuit
DESCRIPTION
This is the power source circuit to operate the DCM (Telematics Transceiver).
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 (DCM (TELEMATICS TRANSCEIVER) - BATTERY AND GROUND) |
|
(a) Disconnect the F134 DCM (Telematics Transceiver) connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F134-4 (E) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F134-1 (+B) - F134-4 (E) |
Always |
11 to 14 V |
|
F134-7 (IG2) - F134-4 (E) |
Ignition switch ON |
11 to 14 V |
|
F134-8 (ACC) - F134-4 (E) |
Ignition switch ACC |
11 to 14 V |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Manual (SOS) Switch Red Indicator Malfunction (B1570)
DESCRIPTION
This DTC is stored when the DCM (Telematics Transceiver) detects an open or short
in the manual (SOS) switch red indicator circuit of the manual (SOS) switch.
The manual (SOS) switch r ...
Green And Red Indicators Do Not Come On When Ig-on
DESCRIPTION
If the red and green indicators fail to illuminate after the ignition switch
turned to ON, the vehicle does not recognize the DCM (Telematics Transceiver). The
DCM (Telematics Transce ...
Other materials:
Toyota CH-R Service Manual > Vehicle Stability Control System: Yaw Rate Sensor (C1234,C1472,C1474)
DESCRIPTION
The skid control ECU (brake actuator assembly) receives signals from the yaw
rate and acceleration sensor (airbag sensor assembly) via CAN communication.
HINT:
If there is a malfunction in the bus lines between the yaw rate and acceleration
sensor (airbag sensor assembly) and the ...
Toyota CH-R Service Manual > Rear Door Courtesy Switch: Inspection
INSPECTION
PROCEDURE
1. INSPECT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Spec ...
Toyota C-HR (AX20) 2023-2025 Owner's Manual
Toyota CH-R Owners Manual
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
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Toyota CH-R Service Manual
- Introduction
- Maintenance
- Audio / Video
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- Navigation / Multi Info Display
- Park Assist / Monitoring
- Brake (front)
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