Diagnosis and repair workflowECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
- Models without automatic drive positione ...
Cooling fan
Description
The ECM controls the cooling fan corresponding to the vehicle speed, engine
coolant temperature, refrigerant
pressure, and air conditioner ON signal. The control system has 4-step control
[HIGH/MIDDLE/LOW/OFF].
COOLING FAN MOTOR
The cooling fan operates at each speed when the cu ...
Evap leak check
Inspection
CAUTION:
Never use compressed air or a high pressure pump.
Never exceed 4.12 kPa (0.042 kg/cm2, 0.6 psi) of pressure in
EVAP system.
NOTE:
Do not start engine.
Improper installation of EVAP service port adapter (commercial
service tool) ...