Power Supply
Battery voltage (+30 Circuit)
The +30-circuit power supply goes via fuse 1 (342a) to pins 17 and 18 on the control module.
Battery Voltage (+15 Circuit)
The +15-circuit power supply goes via fuse 26 (22a) to pin 15 on the control module. When the +15 voltage is applied to pin 15, the control module is activated.
Diagnostics
If the supply drops below 9 V for at least 0.5 s, diagnostic trouble code C1532 will be generated, the ABS warning lamp will come on and the ABS system will be disabled.