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DIAGNOSIS TSB Revision CVT 23A-61 DTC SET CONDITIONS Check Conditions • Transmission range switch position: D. • Throttle position sensor voltage: 1.37 volts or more. • Primary pulley speed: 1,000 r/min or more. • The absolute value of the Primary pulley speed - secondary pulley speed: 1,000 r/min or less. • Voltage of battery: 9 volts or more. • Voltage of battery: 16 volts or less. JUDGMENT CRITERIA • Engine revolution [primary pulley speed: 1,000 r/min or more]: less than 450 r/min. • The difference of engine speed and primary speed: more than 1,000 r/min. (5 seconds) • The difference of engine speed and secondary speed: more than 1,000 r/min. (5 seconds) . OBD-II DRIVE CYCLE PATTERN Transmission range: D (Drive the vehicle for 10 sec- . PROBABLE CAUSES • Malfunction of the CAN bus • Malfunction of the engine system • Malfunction of TCM DIAGNOSTIC PROCEDURE STEP 1. Using scan tool MB991958, diagnose the CAN bus YES : Go to Step 2. STEP 2. Scan tool MB991958 diagnostic trouble code YES : Go to Step 3. STEP 3. Symptom recheck after erasing diagnostic trouble YES : Intermittent malfunction |