auto diagnostic advisor

DESCRIPTION      The ABS electronic anti-lock braking system regulates the braking pressure transmitted to the wheels, preventing them from losing grip whatever the tyre and road conditions. The ABS system is linked to the ESP (Electronic Stability Program) system which controls the stability of the vehicle and intervenes, if necessary, on the drive torque, braking the wheels in a differentiated manner: if grip is lost the ABS helps to return the vehicle to the correct path. The ABS control unit, in the most comprehensive version, as well as the ESP function, also implements the A.S.R. (Anti Slip Regulation), Hill Holder, H.B.A. (Hydraulic Brake Assist) and M.S.R. (engine brake torque regulation during downshifting). The ESP system intervenes on the engine and on the brakes, producing a stabilising torque when the ABS sensors detect conditions that could cause the vehicle to slip. A flashing warning ...

  NOTE:  When the key is turned to the ON position, the instruments light up but the starter motor does not turn.   Test results 1 STARTER MOTOR CONNECTIONS CHECK All OK Problems encountered Operation Check the connections between battery, ignition switch and starter motor See: STARTING AND RECHARING (Container) Move on to Step 2 Connections not correct Restore correct wiring See: STARTING AND RECHARING (Container) 2 IGNITION SWITCH CHECK All OK Problems encountered Operation Check the condition of the ignition switch and that it is working properly by carrying out See: IGNITION SWITCH EFFICIENCY CHECK (Info) Move on to Step 3 Ignition switch fault Replace the ignition switch See: IGNITION SWITCH ASSEMBLY - R+R (Info) 3 STARTER MOTOR CHECK All OK Problems encountered Operation Check...

Turbo Common rail injection   STEP CHECKS TO BE CARRIED OUT SOLUTION IF CHECK NOT OK 1 At operating temperature, with the engine idling and all the electrical supplies disabled, a value of between 10 and 80°C should be read. The test may be considered concluded. Proceed to Step 2 2 Turn the ignition key to the STOP position. Disconnect the wiring harness connector from connector A of the engine management control unit. Turn the key to the IGNITION-ON position. Measure the voltage between Pin 13 (wiring side) of the control unit See: ENGINE MANAGEMENT CONTROL UNIT (Container) and Ground, ensuring that it is less than 0.3 V. Proceed to Step 4 Proceed to Step 3 3 Turn the ignition key to the STOP position. Measure the resistance between Pin 13 (wiring side) of the control unit See: ENGINE MANAGEMENT CONTROL UNIT (Container) and Ground, ensuring that it is greater than 500 kOhm Proceed t...

VARIABLE VALVE TIMING CHECK STEP CHECKS TO BE CARRIED OUT SOLUTION IF CHECK NOT OK 1 Checking the variable camshaft timing system Disconnect the connector of the variable camshaft timing solenoid valve. Start up the engine. Connect the solenoid valve terminals to the battery for a few seconds. Check that there is a considerable variation in the idling speed. Replace the solenoid valve of the variable camshaft timing system See: PHASE TRANSFORMER ELECTROMAGNET - R.R. (Info) Replace the variable camshaft timing system unit See: PHASE TRANSFORMER ON CAMSHAFT IN CYLINDER HEAD - R.R. (Info)

The brake system operates by transferring effort applied to the brake pedal by the driver to the brakes at each wheel. The braking effort is distributed to each wheel, using a hydraulic system. The system is assisted using a vacuum brake booster that reduces pedal effort and increases hydraulic pressure. The parking brake operates on the rear wheels and is applied using a hand operated control. Inspection and Verification NOTE: Before carrying out any diagnosis, make sure that the brake system warning indicator is functional. Verify the customer concern. Visually inspect for obvious signs of mechanical or electrical damage. Visual Inspection Chart Mechanical Electrical Tire pressure(s) Wheels and tires Fluid leak(s) Electrical connector(s) Wiring harness(s) Switch(es) If an obvious cause for an observed or reported concern is found, correct the case (if possible) before proceeding to the next step. If the...