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10A-20
Components and Compositions
Notice
There is no need to disassemble the FFH unit for repair. This section is to show the internal components of the FFH unit.
Jacket cover
Control and overheating Sensor
Check control and overheating sensor
Temperature (°C)
Specifiedl value
Temperature [ ° C]
0
Resistance [Ω]
32.54
±2.2
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN
Y220_10A022
Y220_10A023
Y220_10A024
20
30
40
10
19.87
12.48
8.06
5.33
±1.0
±0.5
±0.4
±0.3
- The O-rings are installed between jacket cover and two
coolant hoses.
- The coolant hoses should be connected to right side.
1. Jacket
2. Jacket cover
3. Cable harness cover
The Control and overheating sensor and cable harness make
up one component.
1. Control and overheating sensor
2. Pressure spring
Check the control and overheating sensor with a digital
multimeter. If the resistance according to the changes of flame
sensor temperature is out of specified values, the flame sen-
sor is defective.
60
80
50
70
3.60
2.48
1.75
1.25
±0.25
±0.17
±0.13
±0.1
100
120
90
110
0.91
0.67
0.50
0.38
±0.08
±0.06
±0.05
±0.04
FFH/PTC SYSTEM
REXTON SM - 2004.4
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