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1. Turn the ignition switch ON (II). 2. Make sure the HDS communicates with the vehicle and the SH-AWD control unit. If it doesn't, troubleshoot the DLC circuit; '05-07 models (see '05-07 MODELS ), '08 model (see '08 MODEL ). 3. Check for DTC 27-1 and DTC 27-2 with the HDS. Are DTC 27-1 and DTC 27-2 indicated at the same time? YES - Go to the DTC 27-1 and/or 27-2 troubleshooting first, then recheck. NO - Go to step 4. 4. Check for DTCs in the VSA system with the HDS. Are any VSA system DTCs indicated? YES - Go to the indicated DTCs troubleshooting. NO - Replace the rear differential center case (see CENTER CASE REPLACEMENT ). DTC 75-1: ACCELERATION DEVICE MALFUNCTION (STUCK OFF) 1. Turn the ignition switch ON (II). 2. Make sure the HDS communicates with the vehicle and the SH-AWD control unit. If it doesn't, troubleshoot the DLC circuit; '05-07 models (see '05-07 MODELS ), '08 model (see '08 MODEL ). 3. Check for DTC 27-1 and DTC 27-2 with the HDS. Are DTC 27-1 and DTC 27-2 indicated at the same time? YES - Go to the DTC 27-1 and/or 27-2 troubleshooting first, then recheck. NO - Go to step 4. 4. Check for DTCs in the VSA system with the HDS. Are any VSA system DTCs indicated? YES - Go to the indicated DTCs troubleshooting. NO - Go to step 5. 5. Clear the DTC with the HDS. 6. Start the engine. 7. Do the shift solenoid valve function test with the HDS. 8. Check for DTCs with the HDS. NOTE: Before you troubleshoot, review the general troubleshooting information
2007 Acura RL 2005-08 DRIVELINE/AXLES Rear Differential - RL
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