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Power supply

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 power supply drops below 9 V for at least 0.5 seconds at a vehicle speed above 6 km/h, diagnostic trouble code C1532 will be set. The TCS and ABS functions will be disabled and the warning lamps for ABS, brakes, and TCS OFF will light up as well as the central warning lamp.