Service manual

21
2) Key Component Check Procedures
Component name Testing procedure
Tube temperature
sensing thermistor P15
Detach the connector and measure the resistance using a multimeter
(component temperature: 10°C to 30°C).
Normal Abnormal
Between P15 pins: 8.0kΩ to 20.8kΩ
Open or shorted
Room temperature and
humidity sensor board
Detach the connector and measure the resistance using a multimeter
(component temperature: 10°C to 30°C).
Normal: 47 to 51kΩ (between P31 pins 3 and 4)
Abnormal: Open or shorted
Compressor
With the connector detached, measure the resistance across the terminals using a
multimeter (winding temperature: 10°C to 30°C).
Normal Abnormal
C-R side
25Ω ~ 27Ω
Open or shorted
C-S side
67Ω ~ 74Ω
Fan motor (2)
Warm air motor
Cool air motor
•
•
Measure the resistance between terminals using a multimeter
(winding temperature: 10°C to 30°C).
Normal
Abnormal
Cool air (EVA) Warm air (COND)
Yellow-Blue
425Ω ~ 462Ω 216Ω ~ 236Ω
Open or shorted
Black-Blue
288Ω ~ 315Ω 219Ω ~ 238Ω
Solenoid coil
Measure the resistance between terminals using a multimeter
(component temperature: 10°C to 30°C).
Normal Abnormal
2.6kΩ ~ 2.9kΩ
Open or shorted
e01_mj_e15bx_S1-IT.indd 21 2010/06/10 17:30:15