DCM OPERATION HISTORY
1. DCM OPERATION HISTORY
This function shows the telematics network status when the DCM (Telematics Transceiver) was operated. Use this function when no DTC is stored but the telematics system is unable to connect to the call center. This symptom may occur if the cell phone signal intensity is very weak.
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Choose "Telematics" from the System Selection Menu, and then click "Utility".
(d) Click "DCM Operation History" on the Utility Selection Menu.
(e) Follow the instructions on the Techstream.
HINT:
|
Result |
Description |
|---|---|
|
Success |
A successful call made using the manual (SOS) switch |
|
Fail* |
Call that was unsuccessful |
NOTICE:
*: A failure can also be caused by manually ending an SOS call, and does not necessarily indicate a device malfunction.
How To Proceed With Troubleshooting
Dcm ActivationProblem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" ...
Speed Signal Circuit
DESCRIPTION
The vehicle speed signal consists of pulses sent to the side auto step controller
ECU assembly from the main body ECU (multiplex network body ECU).
WIRING DIAGRAM
PROCEDURE
1.
INSPECT MAIN BODY ECU (MULTIPLEX NETWORK ...