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Code 22/Test No. 4 - Coolant Temperature Sensor Signal

NOTE: Water temperature sensor is also referred to as coolant temperature sensor.
CODE 22/TEST NO. 4-CTS SENSOR SIGNAL TROUBLE

Terminals Trouble Condition STD Voltage
THW - E2 No Voltage Ignition Switch ON Coolant Temp. 80°C (176°F) 0.1 - 1.0V
Fig 1: Code 22/Test No. 4 Schematic Coolant Temperature Sensor Signal
G91B17823Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Code 22/Test No. 4 Flow Chart Coolant Temperature Sensor Signal
G91C17824Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002