Info Cir
No function applicable to Porsche vehicles 928, 944 as no acceleration transmitter fitted. Function testing of solenoid valves and valve relay in hydraulic unit. Testing of channel assignments of solenoid valves interchange test . 1 Pushbutton and LED display for pressure reduction function. LED must light up when button depressed. 2 Pushbutton and LED display for pressure-holding function. LED must light up when button depressed. 3 LED display for valve relay function. LED must remain lit...
Notes On Test Unit K7
The test unit is used for function tests on the control unit, hydraulic unit, cable harness and peripheral sub-assemblies of the Anti-lock Braking System. Actual values recorded by the test unit must be compared with the respective specified values. If the actual value deviates from the specified value, the fault should be located in accordance with instructions in the troubleshooting program. 1 Digital LED display unit, 3 1 2 positions 2 Lamp 1 green battery voltage OK Lamp 2 red low battery...
Mar
Troubleshooting, if specified value not met. Refer to circuit diagram when trouMeshooUng. Disconnect sensor plug and bridge coupling plug sleeve side Repeat test. If display now OK, replace speed sensor. If display still above specified value, leads from control unit plug terminals 6 and 4 are defective Inspect a leads for chafing. As under 12.1 but applies to leads from control unit plug terminals 23 11 and 21. As under 12.1 but applies to leads from control unit plug terminals 8 and 9. As...
Battery charging
Disconnect battery from vehicle electrical system before boost-charging battery. If battery has been removed, both leads must be properly secured to battery terminals on reinstallation. Bosch K7-ETT 016.00 or VAG 1516 ABS-Testing Unit . Do not attempt to repair or disassemble the hydraulic unit or electronic control unit. Do not use a boost battery charger to start engine. The control unit is located against the wheel housing in the driver's side left footwell above the central warning unit ....
Atioim
Copyright by Dr-lng. h. c. F. Porsche ABS System Guidelines for repair operations on vehicles with Location of ABS components 928 Location of ABS components 944 ABS Test Unit Bosch K7-ETT 016.00 or VAG Notes on test unit and directions on connecting test Test Plan 1 Test procedures using Bosch K7-ETT 016.00 or VAG 1516 Test Unit 13 ABS Test Unit Bosch ABS Particulars and description of ABS-2-LED Test Unit . 22 Connecting the test Test Plan 2 Test procedures using ABS 2-LED Test ABS Wiring...
LOCATIONS OF COMPONENTS 928 Seires
The solenoid vaive and pump motor relays are located on the hydraulic unit. 3 12-pole wiring harness plug LOCATIONS OF ABS COMPONENTS - 944 Series - The control unit is located against the wheel housing in the passenger's side right footwell. The ABS relay is located on the central electric relay G 20. The hydraulic unit is installed in the rear of the right front fender. The solenoid valve and pump motor relay are located on the hydraulic unit. 3 - B amp o pressure regulator orBVATGSlIlU6N'T'...
Porsche 911 Hydraulic Diagram
This manual describes testing procedures and serves as a troubleshooting guide for the ABS systems installed in Porsche 928 and 944 series vehicles. The troubleshooting program consists of two test plans. Test Plan No. 1 is required for testing procedures using the Bosch K7-ETT 016.00 or VAG 1516 ABS Testing Unit. Test Plan No. 2 is required for testing procedures using the Bosch ABS-2-LED Testing Unit. Both testing units can be used for all Porsche vehicles fitted with ABS. The testing program...