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 ...
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ILLUSTRATION
*1
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*2
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*3
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Toyota C-HR (AX20) 2023-2026 Owner's Manual
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
- Introduction
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