Operation CHARM: Car repair manuals for everyone.

System Inspection





Head Unit
U1007 High Voltage Detected - System Inspection

System Inspection

Alternator circuit inspection
1. Engine "ON".
2. Turn on the head rights and heat rays at idle status, and accelerate to 2500 RPM for 2 min.
3. Check voltage between battery + terminal and - terminal.

measurement value :about 12.5 - 14.7 V




4. Is the measured waveform within specifications?