Operation CHARM: Car repair manuals for everyone.

ABS W/Traction Control (TRAC)

A18 (A), A19 (B), A32 (C) ABS AND TRACTION ECU
IG1-GND: 10-14 Volts with the ignition SW at ON position
R+ -SR: 9-14 Volts with the ignition SW at ON position and the ABS warning light OFF
R+ -MR: 0-1 Volts with the ignition SW at ON position
WA-GND: 0-2 Volts with the ignition SW at ON position and the ABS warning light ON
10-14 Volts with the ignition SW at ON position and the ABS warning light OFF
STP-GND: 0-1.5 Volts with the stop light SW OFF
8-14 Volts with the stop light SW ON
D/G-GND: 10-14 Volts with the ignition SW at ON position and the ABS warning light ON
MT-GND: 0-1.5 Volts with the ignition SW at ON position
NEO-GND: Pules generation with idling
IND-GND: 0-2 Volts with the ignition SW at ON position and the TRAC indicator light ON
10-14 Volts with the ignition SW at ON position and the TRAC indicator light OFF
WT-GND: 0-2 Volts with the ignition SW at ON position and the TRAC OFF indicator light ON
10-14 Volts with the ignition SW at ON position and the TRAC OFF indicator light OFF
CSW-GND: 0-2 Volts with the ignition SW at ON position and the Traction Cut SW pushed
8-14 Volts with the ignition SW at ON position and the Traction Cut SW released
TC, TS-GND: 8-14 Volts with the ignition SW at ON position
TRC+, TRC- -GND: Pules generation with the traction control active
EFI+, EFI- -GND: Pules generation with the ignition SW at ON position
SRLH, SRLH, AST-GND: 10-14 volts with the ignition SW at ON position and warning light OFF
SFLH, SRRR, SRRH-GND: 10-14 Volts with the ignition SW at ON position and warning light OFF
SFRR, SFRH, SFLR-GND: 10-14 Volts with the ignition SW at ON position and warning light OFF
SRC1, SRC2, SMC1, SMC2-GND: 10-14 Volts with the ignition SW at ON position and the TRAC OFF indicator light OFF

S9 STOP LIGHT SW
2-1: Closed with the brake pedal depressed

A9, A10 ABS SPEED SENSOR FRONT LH, RH
1-2: 1.6-1.8 K Ohms (32° C, 68° F)

A30, A31 ABS SPEED SENSOR REAR LH, RH
1-2: 1.6-1.7 K Ohms (32° C, 68° F)