Acura TSX / Honda Accord CL. Manual — part 670

Fig. 93: Testing Outside Air Temperature Sensor

OUTSIDE AIR TEMPERATURE SENSOR REPLACEMENT

2004 Acura TSX

2004 AUTOMATIC A/C SYSTEMS Climate Control System - TSX

Lift the tab (A) to release the lock, and remove the outside air temperature sensor (B) from the back of the front
bumper beam. Disconnect the 2P connector (C) from the outside air temperature sensor. Install the sensor in the
reverse order of removal.

Fig. 94: Removing Outside Air Temperature Sensor

SUNLIGHT SENSOR TEST

1. Turn the ignition switch ON (II). Measure the voltage between the terminals with the (+) probe on the

No. 1 terminal and the (-) probe on the No. 2 terminal with the 2P connector connected. The voltage
readings will not change under the light of a flashlight or a fluorescent lamp. Voltage should be:

z

3.6-3.7 V Or More: Sensor Out Of Direct Sunlight.

z

3.3-3.5 V Or Less: Sensor In Direct Sunlight.

2004 Acura TSX

2004 AUTOMATIC A/C SYSTEMS Climate Control System - TSX

Fig. 95: Testing Sunlight Sensor

SUNLIGHT SENSOR REPLACEMENT

Remove the sunlight sensor (A) from the dashboard then disconnect the 2P connector (B). Be careful not to
damage the sensor and the dashboard. Install the sensor in the reverse order of removal.

2004 Acura TSX

2004 AUTOMATIC A/C SYSTEMS Climate Control System - TSX

Fig. 96: Removing Sunlight Sensor

EVAPORATOR TEMPERATURE SENSOR TEST

1. Dip the sensor in ice water, and measure the resistance between its terminals.

2004 Acura TSX

2004 AUTOMATIC A/C SYSTEMS Climate Control System - TSX