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AUTOMATIC TRANSAXLE DIAGNOSIS TSB Revision AUTOMATIC TRANSAXLE 23A-95 CIRCUIT OPERATION • A coil built into the input shaft speed sensor ⇔ 5 volts pulse signal at both ends of this coil when the input shaft rotates. The pulse • Both ends of the coil are connected to the PCM • The PCM detects the input shaft speed by the • The input shaft speed sensor generates the pulse DTC SET CONDITIONS TROUBLESHOOTING HINTS (The most likely causes for this code to be set:) • Malfunction of the input shaft speed sensor • Malfunction of the underdrive clutch retainer • Damaged harness, connector • Malfunction of the PCM DIAGNOSIS Required Special Tool: STEP 1. Using scan tool MB991502, check data list item 22: CAUTION To prevent damage to scan tool MB991502, always turn the Input Shaft Speed Sensor. • When driving at constant speed of 50km/h (31mph), the − 1,900 r/min." <2.4L Engine>, "1,300 − 1,600 r/min." <3.0L Engine> (Gear range: 3rd gear) (4) Turn the ignition switch to "LOCK" (OFF) position. Q: Is the sensor operating properly? YES : This malfunction is intermittent. Refer to GROUP 00, How to Use Troubleshooting/Inspection Service − How to Cope with Intermittent Malfunction NO : Go to Step 2. AC004197 PCM C-40 C-42 CONNECTORS: C-40, C-42 AE AC004307 CONNECTORS: C-73, C-77 C-73 JUNCTION BLOCK C-77 AB AC003081AC MB991502 DATA LINK |