| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000018LFM |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM: DCM POWER SOURCE CIRCUIT; 2018 - 2020 MY Sienna [11/2017 - ] | ||
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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 inspection procedure.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (DCM - BATTERY AND BODY GROUND) |
|
(a) Disconnect the DCM (Telematics Transceiver) connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
D73-4 (E) - Body ground |
Always |
Below 1 Ω |
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
D73-1 (+B) - D73-4 (E) |
Always |
11 to 14 V |
|
D73-7 (IG2) - D73-4 (E) |
Ignition switch ON |
11 to 14 V |
|
D73-8 (ACC) - D73-4 (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 |
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