Power Supply, Control Module
Power supplyBattery 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
DTC C1532 is generated if the power supply drops below 9 V DC for more than 0.5 seconds at a vehicle speed greater than 6 km/h (3.7 mph). The ESP, TCS and ABS functions will be disabled and the warning lamps for the ABS, foot brake, central warning lamp and ESP OFF switched on. No DTC is generated at speeds below 6 km/h.