COMPONENTS
ILLUSTRATION
Name Plate
RemovalVC Output Circuit
DESCRIPTION
The ECM constantly generates 5 V of power from battery voltage supplied to the
+B (BATT) terminal to operate the microprocessor. The ECM also provides this power
to the sensors through the VC output circuit.
When the VC circuit is short-cir ...
Installation
INSTALLATION
PROCEDURE
1. ADJUST COMPRESSOR OIL LEVEL
(a) When replacing the cooler compressor assembly with a new one, gradually
discharge the inert gas (helium) from the service valve, and drain the following
amount of oil from the vent ...
Speed Signal Circuit
DESCRIPTION
The headlight leveling ECU assembly receives the vehicle speed signal from the
combination meter assembly.
HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the
combination meter. The signal is changed to a p ...