DESCRIPTION
This may occur when the intensity of the telephone radio frequency was very weak, PRL updates are required or the Safety Connect system has a malfunction, and a DTC is stored.
PROCEDURE
1. |
CHECK COMMUNICATION SERVICE CONDITION |
(a) Move the vehicle.
(1) If the vehicle is outside the communication service area, move the vehicle to a communication service area, wait for a while and perform the operation again.
OK:
Same problem does not occur.
OK | ![]() |
END |
|
2. |
CHECK FOR DTC |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to ON and wait for 10 seconds.
(d) Perform "Health Check" and check for current DTCs (See page
).
Result |
Proceed to |
---|---|
DTC is not output |
A |
DTC is output |
B |
B | ![]() |
GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
3. |
CHECK PRL UPDATE |
(a) Check for PRL update (See page ).
(b) Check if the same problem occurs again.
OK:
Same problem does not occur.
OK | ![]() |
END |
|
4. |
CHECK DCM OPERATION HISTORY |
(a) Check "DCM Operation History" (See page ).
Result |
Proceed to |
---|---|
Signal strength is weak (0 or 1) |
A |
Communication indicates "Fail" |
|
No problems with signal strength or communication |
B |
HINT:
If there was a communication problem in the past but the communications are working correctly now, the source of the problem may have been temporary radio interference, or the vehicle may have been outside the service area.
B | ![]() |
END |
|
5. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (Telematics Transceiver) (See page
).
NOTICE:
NEXT | ![]() |
PERFORM DCM ACTIVATION |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
If a trouble code is output during the DTC check, inspect the trouble areas listed
for that code. For details of the code, refer to the "See page" below.
Sliding Roof System
DTC Code
Det ...
Theft Deterrent System Presence Detection (B279C)
DESCRIPTION
If an ECM that is incompatible with the engine immobiliser system is installed,
the ECM stores this DTC.
DTC Code
DTC Detection Condition
Trouble Area
B279C
An ECM that is incompatibl ...