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 | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Toyota CH-R Service Manual > Navigation System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the navigation system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Toyota CH-R Service Manual > Power Window Control System: Fail-safe Chart
FAIL-SAFE CHART
PULSE FAILURE
(a) If a pulse sensor built into the power window regulator motor assembly malfunctions,
the following power window operations will be prohibited.
Multiplex Network Master Switch Assembly, Power Window Regulator Switch Assembly,
Rear Power Window Regulator Switch ...