cardiagn.com OK REPLACE REAR AIR CONDITIONING AMPLIFIER OK REPLACE REAR AIR CONDITIONING AMPLIFIER NG 2. INSPECT REAR ROOM TEMPERATURE SENSOR (a) Disconnect the R33 rear room temperature sensor connector. (b) Measure the resistance between terminals 1 and 2 of the room temperature sensor connector at each temperature. Standard resistance: 1.65 to 1.75 kΩ at 25°C (77°F) 0.55 to 0.65 kΩ at 50°C (122°F) HINT: As the temperature increases, the voltage decreases. However, if DTC 19 is displayed, check and replace the A/C amplifier. REPLACE REAR ROOM TEMPERATURE NG SENSOR OK 3.
CHECK WIRE HARNESS (REAR AIR CONDITIONING AMPLIFIER - REAR ROOM TEMPERATURE SENSOR) REPAIR OR REPLACE HARNESS AND NG CONNECTOR OK REPLACE REAR AIR CONDITIONING AMPLIFIER NG REPLACE REAR ROOM TEMPERATURE SENSOR NG REPAIR OR REPLACE HARNESS AND CONNECTOR OK REPLACE REAR AIR CONDITIONING AMPLIFIER