Description
Brake switch signal is applied to the ECM via the stop lamp switch when the brake pedal is depressed. This signal is used mainly to decrease the engine speed when the vehicle is being driver.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
Diagnosis Procedure
1.CHECK STOP LAMP SWITCH CIRCUIT
2.CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT
3.DETECT MALFUNCTIONING PART
Check the following.
4.CHECK STOP LAMP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
5.DETECT MALFUNCTIONING PART
Check the following.
6.CHECK STOP LAMP SWITC
7.CHECK INTERMITTENT INCIDENT
Component Inspection (Stop Lamp Switch)
1.CHECK STOP LAMP SWITCH-I
2.CHECK STOP LAMP SWITCH-II
Daytime running light system
System Diagram
System Description
The headlamp system for Canada vehicles is equipped with a daytime light
relay that activates the high beam headlamps at approximately half
illumination whenever the engine is running. If the parking brake is
depressed before the engine is started, the day ...
Power generation voltage variable control system operation
inspection
Diagnosis Procedure
CAUTION:
When performing this inspection, always use a charged battery that has completed
the battery inspection.
(When the charging rate of the battery is low, the response speed of the voltage
change will
become slow. This can cause an incorrect inspection.)
1.CHEC ...
CAN communication circuit
Diagnosis Procedure
1.CONNECTOR INSPECTION
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose
connection.
2.CHECK HARNESS CON ...