PARTS LOCATION
ILLUSTRATION
Ignition System
System DiagramHL AutoLeveling ECU Failure (B2420)
DESCRIPTION
When the headlight leveling ECU assembly detects a malfunction in itself, this
DTC is stored.
DTC No.
DTC Detecting Condition
Trouble Area
B2420
Malfunction of headlight leveling ECU ...
Dtc Check / Clear
DTC CHECK / CLEAR
1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Back Door / DTC.
HINT:
Refer to the Techstream operator's manual ...
Terminals Of Ecu
TERMINALS OF ECU
1. STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY)
Terminal No. (Symbol)
Wiring Color
Terminal Description
Condition
Specified Condition
D17-1 (GND) - Body ground
...