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 "See page" in the DTC chart.
|
DTC Code |
Detection Item |
Trouble Area |
See page |
|---|---|---|---|
|
B1242 |
Wireless Door Lock Tuner Circuit Malfunction |
1. Wire harness or connector 2. Door control receiver 3. Certification ECU (Smart key ECU assembly) |
|
Data List / Active Test
Wireless Door Lock Tuner Circuit Malfunction (B1242)Terminals Of Ecu
TERMINALS OF ECU
NOTICE:
Turn the ignition switch off before measuring the resistances between
CAN bus main wires and between CAN bus branch wires.
Turn the ignition switch off before inspecting CAN bus wires for a ground
short.
After ...
Wireless Door Lock Tuner Circuit Malfunction (B1242)
DESCRIPTION
The door control receiver is used to receive electrical waves relating to the
entry functions of the smart key system. The certification ECU (smart key ECU assembly)
decodes the requested smart key system operation by identifying a key code ba ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. USING TECHSTREAM
(a) Connect the Techstream to the DLC3.
(b) Monitor the ECU data by following the prompts on the Techstream screen.
HINT:
The Techstream has a "Snapshot" function which records the monitored data. Refe ...