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SEL255W Fail-safe System NBEL0217 DESCRIPTION NBEL0217S01 When the fail-safe system senses a malfunction, it deactivates MALFUNCTION DETECTION CONDITIONS NBEL0217S02 Detection conditions ASCD operation during malfunc- tion detection I ASCD steering (RESUME/ACCEL, CANCEL, SET/COAST) switch is stuck. I Vacuum motor ground circuit or power circuit is open or shorted. I Air valve ground circuit or power circuit is open or shorted. I Release valve ground circuit or power circuit is open or shorted. I Vehicle speed sensor is faulty. I ASCD control unit internal circuit is malfunctioning. I ASCD is deactivated. I Vehicle speed memory is can- I ASCD brake switch or stop lamp switch is faulty. I ASCD is deactivated. I Vehicle speed memory is not GI MA EM LC EC FE AT TF PD AX SU BR ST RS BT HA SC IDX AUTOMATIC SPEED CONTROL DEVICE (ASCD) Fail-safe System EL-229 |