2003 Suzuki LT-Z400 Factory Service Manual, Page 261Get this manual
ELECTRICAL SYSTEM
Shift the transmission to the neutral position, tum the switch to the "ON" Press the starter button and allow the engine to tum for few seconds, and then measure the pickup coil and coil peak voltage Repeat the above orCiceaUI few times and measure the highest pickup coil and coil peak voltageTester knob indication: Pickup coil Signal coil
Generator