Installation
4wd Control EcuHL 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 ...
Removal
REMOVAL
PROCEDURE
1. ALIGN FRONT WHEELS FACING STRAIGHT AHEAD
2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
3. REMOVE FRONT WHEE ...
Cruise Control Input Processor (P1607)
MONITOR DESCRIPTION
The ECM continuously monitors its main and sub CPUs while cruise control is operating.
This self-check ensures that the ECM is functioning properly. If outputs from the
CPUs are different and deviate from the standard, the ECM illumina ...