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AUTO-CRUISE CONTROL TSB Revision ENGINE AND EMISSION CONTROL 17-53 STEP 9. Using scan tool MB991958, check data list item 87: (Refer to ). (2) Turn the ignition switch to the "ON" position. control system (Refer to ). • Item 87: Neutral switch. • When shift lever is at the "N", "P", "R" position, the display on scan tool MB991958 should be "ON". • When shift lever is other than "N", "P", "R" position, the display on scan tool MB991958 should be (4) Turn the ignition switch to the "LOCK" (OFF) position. YES : Go to Step 10. , Symptom Procedures − Inspection Procedure 3. Then go to Step 11. STEP 10. Check the symptoms. "ACC/RES" switch operation available)? (Refer to GROUP 00, How to Use − How to Cope with Intermittent Malfunction NO : Replace the ECM [Refer to GROUP 13A, Engine ]. When the ECM is replaced, register the encrypted code (Refer to − ID Code Registration Judgment Table STEP 11. Check the symptoms. "ACC/REs" switch operation available)? INSPECTION PROCEDURE 6: Hunting (Repeated Acceleration and Deceleration) Occurs at the Set . COMMENT The wheel speed sensor signal (vehicle speed sig- . TROUBLESHOOTING HINTS (THE MOST • Malfunction of the CAN bus line system. • Malfunction of the ASC system • Malfunction of the MFI system • Malfunction of the ECM. |