Toyota Tundra 2005 Service - Repair - Maintenance page 3399

AC-34
E50650
AIR CONDITIONING - COOLING UNIT
INSPECTION
1. CHECK EVAPORATOR FINS FOR BLOCKAGE
If the fins are clogged, clean them with compressed air.
2. CHECK FITTING FOR CRACKS OR SCRATCHES
If necessary, repair or replace.
3. INSPECT THERMISTOR RESISTANCE
(a) Remove the A/C evaporator temperature sensor (cooler
thermister No.1).
(b) Measure the resistance according tor the value(s) in the
table below.
Standard:
Tester connection
1 - 2
1 - 2
I28118
1 - 2
1 - 2
1 - 2
1 - 2
1 - 2
1 - 2
1 - 2
NOTICE:
z
Even slightly touching the sensor may change the re-
sistance value. Be sure to hold the connector of the
sensor.
z
When measuring, the sensor temperature must be
the same as the ambient temperature.
Condition
-10 °C (14°F)
-5 °C (23°F)
0°C (32°F)
5°C (41°F)
10°C (50°F)
15°C (59°F)
20°C (68°F)
25°C (77°F)
30°C (86°F)
Author : Date :
AC22L-04
Specified condition
7.40 to 9.20 kΩ
5.65 to 7.00 kΩ
4.35 to 5.40 kΩ
3.40 to 4.20 kΩ
2.68 to 3.30 kΩ
2.10 to 2.60 kΩ
1.66 to 2.10 kΩ
1.32 to 1.66 kΩ
1.05 to 1.35 kΩ
5061