Automatic speed control device (ascd)
Information
Automatic speed control device (ascd) system is controlled by ecm.
Regarding the information for ascd system, refer to ec-51, "automatic speed control device (ascd) : system description".
PrecautionMain line between dlc and hvac circuit
Diagnosis Procedure
1.Check harness continuity (open circuit)
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Disconnect the following harness connectors.
Ecm
A/c auto amp.
Check the continuity between the data link connector and the a/c ...
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1. OBTAIN INFORMATION ABOUT SYMPTOM
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2. CONFIRM THE SYMPTOM
Check the malfunction on the ...
Dtc/circuit diagnosis
Power supply and ground circuit
Audio unit
Audio unit : diagnosis procedure
Regarding wiring diagram information, refer to av-25, "wiring diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown?
Yes >> replace the blown fuse after repairing t ...