Component Inspection
General Description
Each control units such as IPM, M/F S/W, SMK, DDM, ADM, PSM, SCM, IMS, SWRC are connected to Body CAN*¹ and they are made up of High and Low lines controlling the body circuit.
ESCL(Electronic Steering Column Lock) is a system to control the lock or unlock of the Steering Column.
It is installed on steering column and IPM is located inside of instrument panel, left knee of driver side.
It consists of ESCL control Module, IPM, SMK and SSB(engine Start Stop Button)
*¹ CAN (Controller Area Network) : CAN is serial bus communication type which links not only communication system but also control units each other.
DTC Description
In the malfunction status for Lock/Unlock operation of ESCL.
This code is to check a status about battery output terminal for ESCL.
If a battery output terminal for ESCL is shorted to ground, this code is set.
DTC Detecting Condition
Item | Detecting Condition | Possible Cause |
DTC Strategy | ESCL ground output line check
Voltage range check
| If the ESCL dose not work, check ground shorted status about output terminal of ESCL |
Enable Conditions | When a SMK supplies power to ESCL, the ground voltage is verified by monitoring a voltage about battery output terminal of ESCL
|
Threshold Value | If a voltage about battery output terminal of ESCL is shorted to ground. (over 2V)
|
Diagnostic Time | Immediately
|
DTC Erasing Time | Immediately after system is OK
|
Diagnostic Circuit Diagram
Signal Waveform & Data
Fig.1) Waveform at normal status