Differential System
ComponentsTerminals Of Ecu
TERMINALS OF ECU
1. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the D47 air conditioning amplifier assembly connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
HINT:
Measure the values on the wi ...
Cooling Fan Circuit
DESCRIPTION
The ECM turns on or off the fan relays using signals calculated from the engine
coolant temperature, air conditioning (ON/OFF), air conditioner refrigerant pressure,
engine speed, and vehicle speed signals.
The ECM switches the circuit of the ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT INTAKE AIR CONTROL VALVE (for ACIS)
(a) Inspect the diaphragm.
(1) Using a vacuum pump, apply a vacuum of 60 kPa (450 mmHg, 17.7 in.Hg)
or higher to the diaphragm chamber. Wait for 1 minute and check that the ...