Toyota 4Runner: 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 F39 DCM (Telematics Transceiver) connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F39-4 (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 |
|---|---|---|
|
F39-1 (+B) - F39-4 (E) |
Always |
11 to 14 V |
|
F39-7 (IG2) - F39-4 (E) |
Ignition switch ON |
11 to 14 V |
|
F39-8 (ACC) - F39-4 (E) |
Ignition switch ACC |
11 to 14 V |
|
*a |
Front view of wire harness connector (to DCM [Telematics Transceiver]) |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
GPS Signal Unreceived (B1583)
DESCRIPTION
If GPS satellite signals cannot be acquired for 24 consecutive kilometers (15
consecutive miles), this DTC is set.
DTC Code
DTC Detection Condition
Tro ...
Green And Red Indicators Blink Simultaneously
DESCRIPTION
After the ignition switch is turned to ON, the DCM (Telematics Transceiver) will
enter a self check mode. The manual (SOS) switch red indicator will illuminate for
2 seconds and turn ...
Other materials about Toyota 4Runner:
Fuel information
You must only use unleaded gasoline in your vehicle.
Select octane rating 87 (Research Octane Number 91) or higher. Use of
unleaded gasoline with an octane rating lower than 87 may result in engine
knocking. Persistent knocking can lead to engine damage.
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS
...
0.027