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-47, "AUTOMATIC SPEED CONTROL DEVICE (ASCD) : System Description"
Normal operating condition
Description
Symptom
Result
Brake pedal slightly vibrates and operation sound (motor sound and
sound from suspension)
occurs when VDC function, TCS function, ABS function, EBD function,
Brake limited
slip differential (BLSD) function, Brake assist function, hill ...
Symptom diagnosis
SQUEAK AND RATTLE TROUBLE DIAGNOSES
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any
custome ...
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow (With GR8-1200 NI)
STARTING SYSTEM DIAGNOSIS WITH GR8-1200 NI
To test the starting system, use the following special service tool:
GR8-1200 NI Multitasking battery and electrical diagnostic station
NOTE:
Refer to the diagnostic station Instruc ...