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P1503 Cruise Control Malfunction-Control Switch
AutoHex Online Help: Hyundai CENTENNIAL(LZ) 2003
Auto
DTC | P1503 | Auto Cruise Control System Malfunction - Control Switch |
DTC | P1504 | Auto Cruise Control System Malfunction - Cancel |
DTC | P1707 | Auto Cruise Control System Malfunction - Brake Switch |
DESCRIPTION
Electronic throttle system (ETS) is possible to control auto cruise and traction without extra systems relating to them. The function of auto cruise is to drive vehicle at fixed speed for driver’s convenience. If driver pushes control switch “SET” vehicle speed is fixed at the moment. To cancel auto cruise working driver should push the control switch “CANCEL” or depress brake pedal or accelerator pedal.
DETECTING CONDITIONDTC | Detecting Condition & Limp Home | Possible cause |
P1503 | Detecting condition "SET" switch ON "RESUME" switch ON
Enable condition Ignition switch ON No defect relating to ECM Vehicle with auto cruise system
Limp home Cruise control prohibited
| Open or short in cruise control switch circuit ETS ECM
|
P1504 | Detecting condition Operation of “CANCEL” switch is admitted with cruise control prohibited. Operation of “CANCEL” switch is prohibited with cruise control operated.
Enable condition Ignition switch ON NO defect relating to ECM Vehicle with auto cruise system
Limp home Cruise control prohibited
|
P1707 | Detecting condition Stop switch is OFF with brake switch ON
Enable condition Ignition switch ON No defect relating to ECM Vehicle with auto cruise system
Limp home Cruise control prohibited
|
SCHEMATIC DIAGRAM
INSPECTION PROCEDURES