Light Control Rheostat: Inspection

INSPECT LIGHT CONTROL RHEOSTAT

Disconnect the connector from the light control rheostat.

Fig 1: Identifying Light Control Rheostat And Claws
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Measure the resistance according to the value(s) in the table below.

Standard resistance

RESISTANCE SPECIFICATION

Tester Connection	Condition	Specified Condition
D4-1 (E) - D4-3 (RV)	Turn the light control rheostat knob fully downwards	Below 1 Ω
D4-1 (E) - D4-3 (RV)	Turn the light control rheostat knob downwards to upwards	The value changes gradually (Between 1 to 8 kΩ)
D4-1 (E) - D4-3 (RV)	Turn the light control rheostat knob fully upwards	8 to 12 kΩ
D4-5 (TC) - D4-7 (T)	Turn the light control rheostat knob fully upwards (Tail cancel ON)	8 kΩ or higher
D4-5 (TC) - D4-7 (T)	Turn the light control rheostat knob fully downwards	Below 1 Ω

HINT:

If the value is not as specified, replace the light control rheostat (See REMOVAL ).

Fig 2: Identifying Light Control Rheostat Connector Terminals