Inverter Main Switch: Inspection

INSPECT INVERTER MAIN SWITCH

Check the resistance.

Measure the resistance and check the results in accordance with the value(s) in STANDARD RESISTANCE SPECIFICATIONS TABLE .

Standard resistance (Switch operation)

STANDARD RESISTANCE SPECIFICATIONS TABLE

Tester Connections	Conditions	Specified Conditions
B(4) - E(3)	Main switch OFF	10 kΩ or higher
B(4) - E(3)	Main switch ON	Below 1 Ω

Fig 1: Identifying Inverter Main Switch Connector Terminals

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

If the result is not as specified, replace the inverter main switch.

Standard resistance (Indicator light circuit)

STANDARD RESISTANCE SPECIFICATIONS

Tester Connections	Conditions	Specified Conditions
IND (6) - E (3)	Main switch OFF	10 kΩ or higher
IND (6) - E (3)	Main switch ON	20 to 30 Ω

If the result is not as specified, replace the bulb.

Standard resistance (Illumination circuit)

STANDARD RESISTANCE SPECIFICATIONS

Tester Connections	Conditions	Specified Conditions
ILL+(1) - ILL-(2)	Always	20 to 30 Ω

If the result is not as specified, replace the bulb.