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1. Clear the DTC with the HDS. 2. Check for proper output shaft (countershaft) speed sensor installation (see INPUT SHAFT (MAINSHAFT) SPEED SENSOR REPLACEMENT ). If the sensor is installed improperly, correct 3. Raise the vehicle on a lift, make sure it is securely supported, and allow the all four wheels to rotate freely. 4. Start the engine, and turn the VSA off (the light on the VSA OFF switch comes on). Run the vehicle in either 2nd, 3rd, 4th, or 5th gear (not 1st) in M (sequential sportshift mode) with the engine speed at 2,000 5. Monitor the OBD STATUS for P0721 or P0722 in the DTCs/Freeze Data in A/T Mode Menu for a pass/fail. Does the HDS indicate FAILED? YES - Go to step 6. NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections at the PCM 6. Turn the ignition switch to LOCK (0). 7. Jump the SCS line with the HDS. 8. Disconnect PCM connectors A (31P) and B (24P). 9. Check for continuity between PCM connector terminals A3 and body ground, and between B15 and body ground. Fig. 107: Checking Continuity Between PCM Connector Terminals A3[B15] And Body Ground Is there continuity? YES - Go to step 10. NO - Repair open in the wires between PCM connector terminals A3, B15, and ground (G101, G102), or
2007 Acura RL 2005-08 TRANSMISSION Automatic Transmission - RL
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