2008 Honda Aquatrax ARX1500T3/T3D factory service manual, Page 395Get this manual
IGNITION SYSTEM Connect the peak voltage tester or peak voltage adaptor probes to the wire harness side connector terminals
CONNECTION: Blacklwhite (+) TOOL: Test probe
Blacvwhite
ECM 33P (Black) CONNECTOR (Wire sidelfemale terminal)
07ZAJ-RDJA110
Crank the engine with the starter motor and read the peak voltage
PEAK VOLTAGE: 0.7 minimum
If the peak voltage measured at the ECM connector is abnormal, measure the peak voltage at the CKP sensor connector