WorkFlow
DETAILED FLOW
1.OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain the malfunction information (conditions and environment when the malfunction occurred) as much as possible when the customer brings the vehicle in.
2.REPRODUCE THE MALFUNCTION INFORMATION
Check the malfunction on the vehicle that the customer describes.
Inspect the relation of the symptoms and the condition when the symptoms occur.
3.IDENTIFY THE MALFUNCTIONING SYSTEM WITH "SYMPTOM DIAGNOSIS"
Use "Symptom diagnosis" from the symptom inspection result in step 2 and then identify where to start performing the diagnosis based on possible causes and symptom
4.IDENTIFY THE MALFUNCTIONING PARTS WITH "DTC/CIRCUIT DIAGNOSIS"
Perform the diagnosis with "DTC/Circuit diagnosis" of the applicable system.
5.REPAIR OR REPLACE THE MALFUNCTIONING PARTS
Repair or replace the specified malfunctioning parts.
6.FINAL CHECK
Check that malfunctions are not reproduced when obtaining the malfunction information from the customer, referring to the symptom inspection result in step 2.
System description
COMPRESSOR CONTROL FUNCTION
Description
PRINCIPLE OF OPERATION
Compressor is not activated.
Functional circuit diagram
CAN (1): A/C switch signal
: Blower fan motor switch signal
CAN (2): A/C compressor request signal
Functional initial inspection chart
Fail-Safe
FAIL-SAFE FUNCTION ...
Vehicle information display
The vehicle information display is located to the
left of the speedometer. It displays such items as:
Home
Audio Information
Navigation Information
Drive Computer Information
Fuel Economy Information
Driving Aids Information (if so equipped)
Tire Pressure Information
Sport Inf ...
P1211 TCS control unit
Description
The malfunction information related to TCS is transferred via the CAN
communication line from "ABS actuator
and electric unit (control unit)" to ECM.
Be sure to erase the malfunction information such as DTC not only for "ABS
actuator and electric unit
(control unit)" but also ...