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AUTO-CRUISE CONTROL ENGINE AND EMISSION CONTROL 17-56 INSPECTION PROCEDURE 5: Auto-cruise Control System cannot be Set. . COMMENT The fail-safe function is probably canceling . TROUBLESHOOTING HINTS (THE MOST • Malfunction of the auto-cruise control switch. • Malfunction of the stoplamp switch. • Malfunction of the transmission inhibitor switch. • Malfunction of the Engine ECU. Circuit drawings • Refer to circuit diagrams GROUP- • Refer to configuration diagrams GROUP- • Refer to component locations GROUP- DIAGNOSIS Required Special Tools: • MB991958: Diagnostic Tool (MUT-III Sub Assembly) • MB991824: V.C.I. • MB991827: MUT-III USB Cable • MB991910: MUT-III Main Harness A STEP 1. Using Diagnostic Tool MB991958, read the CAUTION To prevent damage to Diagnostic Tool MB991958, always (2) Turn the ignition switch to the "ON" position. code. (Refer to ). (4) Turn the ignition switch to the "LOCK" (OFF) position. Q: Is DTC set? YES : Diagnose the auto-cruise control system. (Refer to , Diagnostic Trouble Code Chart). Then go to Step 6. NO : Go to Step 2. 00DB076A MB991910 DATA LINK CONNECTOR MB991824 MB991827 |