Removal
ComponentsRelay
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. FAN NO. 1 RELAY
(a) Remove the relay from the engine room relay block.
(b) Measure the resistance according to the value(s) in the table b ...
HL 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 ...
ECU Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, voltage from the ECM's MREL terminal
is applied to the EFI MAIN relay. This causes the contacts of the EFI MAIN relay
to close, which supplies power to terminal +B of the TCM.
WIRING DIAGRAM
PR ...