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Trouble Diagnoses SYMPTOM CHART PROCEDURE — Diagnostic procedure REFERENCE PAGE SYMPTOM Self-diagnosis in CONSUL T -II Fail-safe system check DIAGNOSTIC PROCEDURE 1 (POWER SUPPL Y AND GROUND CIRCUIT CHECK) DIAGNOSTIC PROCEDURE 2 (ASCD HOLD UNIT CHECK) DIAGNOSTIC PROCEDURE 3 (ASCD BRAKE/ST OP LAMP SWITCH CHECK) DIAGNOSTIC PROCEDURE 4 (ASCD STEERING SWITCH CHECK) DIAGNOSTIC PROCEDURE 5 (VEHICLE SPEED SIGNAL CHECK) DIAGNOSTIC PROCEDURE 6 (ASCD PUMP CIRCUIT CHECK) DIAGNOSTIC PROCEDURE 7 (ASCD ACTUA T OR/PUMP CHECK) ASCD cannot be set. (“SET” indica- X X X X X ASCD cannot be set. (“SET” indica- ★ 1) X X X X X X Vehicle speed does not decrease X X X Vehicle speed does not return to the ★ 2 X X X Vehicle speed does not increase X X X System is not released after CAN- X X X Large difference between set speed X X X X Deceleration is greatest immediately X X X X ★ 1: It indicates that system is in fail-safe. After completing diagnostic procedures, perform “Fail-safe System Check” (EL-274) to verify repairs. ★ 2: If vehicle speed is greater than 48 km/h (30 MPH) after system has been released, pressing RESUME/ACCEL switch returns vehicle speed to the set speed previously achieved. However, doing so when the ASCD main switch is turned to “OFF”, GI MA EM LC EC FE AT PD FA RA BR ST RS BT HA IDX AUTOMATIC SPEED CONTROL DEVICE (ASCD) EL-275 |