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VOLTAGE TEST - SWITCH TO 20V DC MEASURING RANGE NOTE: z The socket designations of adapter VAG1598/21 are identical to ABS z If the readings obtained deviate from the specifications, carry out z Use only the VW1594A connector test kit to check continuity (bridging). z If the measured figures only differ slightly from the specifications, clean Voltage test - switch to 20V DC measuring range Test VAG1598 sockets Test of z Test conditions z Additional operations Specified value Corrective action 1 8 + 25 Voltage supply for pump motor (terminal 30) on ABS control module (w/EDL) -J104- z Ignition off 10.0-14.5 V z Check wire from terminal 25 to Ground (GND) z Check wire from terminal 8 via fuse - S178- to B+. 2 9 + 24 Voltage supply for pump motor (terminal 30) on ABS control module (w/EDL) -J104- z Ignition off 10.0-14.5 V z Check wire from terminal 9 to Ground (GND). z Check wire from terminal 24 via fuse - S179- to B+. 3 8 + 4 Voltage supply (terminal X) on control module z Ignition on 10.0-14.5 V z Check wire from terminal 4 via fuse - S9- and ignition switch to Ground (GND). z Check wire from terminal 8 to B+. 4 8 + 18 Function of brake light switch -F- z Ignition off z Brake pedal not depressed 0.0-0.5 V z Check fuse -S13- and brake light switch -F-. z Check wire from terminal 18 to Ground (GND).
2003 Volkswagen New Beetle GLS 1998-2004 BRAKES On Board Diagnostic (OBD) - New Beetle
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