Automated Manual Transmission 26 PARAMETER. What tools are needed? Diagnosis equipment Verifying and Checking Procedures C510: Oil Level Check: 1. Wait for the electric pump to turn off (The electric pump turns on when the driver's side door is opened and goes off automatically after a maximum of 30 seconds). 2. Bring the ignition key to Ignition. 3. Perform various gear changes with the engine off (at least 10) until the electric pump comes on. 4. Immediately after the electric pump turns off launch the calibration “accumulator depressurisation” and then check the oil level of the hydraulic unit. 5. If the oil level is lower than the Max reference perform the refilling procedure; if greater restore to the Max level. NOTE: It is good practice to note down the amount of oil needed for refilling. Oil Leak Check: 1. After having checked the oil level (see procedure 2), note down the amount of oil needed for refilling. 2. Carry out a visual inspection of the pipes, electric pump, reservoir, hydraulic unit, actuators (engagement/selection, CSC clutch) whilst carrying out 50 gear changes from 1st to 5th/Reverse and from 5th/Reverse to 1st (with a frequency of 1 gear change every 3-4 secs). 3. If leaks are detected replace/repair the parts involved, refill oil and restart from point 1. 4. If no leaks are found: If the amount of oil before refilling is > 200 cc -> replace hydraulic unit, If the amount of oil before refilling is < 200 cc -> repeat point 2 checking thoroughly for any leaks from the CSC clutch, If it's all ok proceed to the next step in the diagnosis table. Oil Pressure Check: 1. Bring the ignition key to IGNITION ON. 2. Connect the diagnostic equipment and read the pressure on it. 3. With the electric pump off the pressure should be between 42 and 52 bar at ambient temperature. Electrical Pump Supply Check: 1. Bring the ignition key to Ignition. 2. Connect the diagnostic tool equipment. 3. Check with diagnostic tool that the battery voltage is greater than 11 V; if the voltage is lower check the battery. 4. Display with diagnostic tool the output status of the pump relay (ON/OFF). 5. Perform gear changes until the electrical pump activates. 6. Suspend the gear change requests and check how long the electric pump stays on (feeling the electric pump and looking at the Diagnostic tool at the same time when the output status of the relay pump switches from ON to OFF). 7. If the parameter's status "pump relay output" is ON, but the electrical pump does not seem to be on check the electrical power supply chain for the electric pump (relay, fuse).
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