Removal and Installation
AV CONTROL UNIT
Removal
CAUTION: Before replacing AV control unit, perform "READ CONFIGURATION" to save current vehicle specification.
Refer to AV-337, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement".
Installation
Installation is in the reverse order of removal.
CAUTION:
A/C AND AV SWITCH ASSEMBLY
Removal
Installation
Installation is in the reverse order of removal.
Mode door control system
System Diagram
System Description
The mode door is automatically controlled by the temperature setting, ambient
temperature, in-vehicle temperature,
intake temperature and amount of sunload.
SYSTEM OPERATION
The A/C auto amp. receives data from each of the sensors.
The A/C auto amp. ...
P0078, P0084 EVT control magnet retarder
Description
Exhaust valve timing control magnet retarder (1) controls the shut/
open timing of the exhaust valve by ON/OFF pulse duty signals sent
from the ECM.
The longer pulse width retards valve timing.
The shorter pulse width advances valve timing.
DTC Logic
DTC DETECTION LOGIC
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Thermostat and thermostat housing
Removal and Installation
Gasket
Thermostat assembly (water inlet)
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns could occur
from high pressure
engine coolant escaping from the radiator. Wrap a thick cloth around the
radiator cap. Slowly turn it a
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