B1429

HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: B1429/29: Rear Air Foot Duct Sensor Circuit on Front Passenger Side
B1429/29 - Rear Air Foot Duct Sensor Circuit on Front Passenger Side

DESCRIPTION

The duct sensor RH (for front passenger side) detects the duct temperature and sends the appropriate signals to the air conditioning amplifier assembly.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (DUCT SENSOR RH)

(a) Use the Data List to check if the duct sensor RH (for front passenger side) is functioning properly.

Air Conditioner





OK:

The display is as specified in the normal condition.

NG -- CHECK DUCT SENSOR RH

OK -- REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Removal

2. CHECK DUCT SENSOR RH





(a) Remove the duct sensor RH Removal.

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

Standard Resistance:





NOTICE:
* Touching the sensor even slightly may change the resistance value. Hold the connector of the sensor.
* When measuring the resistance, the sensor temperature must be the same as the ambient temperature.

HINT
As the temperature increases, the resistance decreases (See the graph).

If the resistance value is not as specified, replace the sensor.

NG -- REPLACE DUCT SENSOR RH Removal
OK -- Continue to next step.

3. CHECK HARNESS AND CONNECTOR (AIR CONDITIONING AMPLIFIER - DUCT SENSOR)





(a) Disconnect the L11 sensor connector.

(b) Disconnect the E35 amplifier connector.

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

Standard Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- REPLACE AIR CONDITIONING AMPLIFIER ASSEMBLY Removal