Air Conditioning (cont'd)
Wiring Continuity Checks
Use the illustration below to complete continuity checks on the HVAC/air conditioning system and heater harness wires.The
harness connects to the main machine harness via connector
1
. Refer also to the main machine circuit diagram in Section C
Electrics
.
Component Key:
1
Main Machine Harness Connector
2
Air Conditioning ON/Off Switch
2A
Panel Illumination Bulb
2B
Switch Illumination Bulb
3
Blower Switch
4
Binary Pressure Switch
5
Freeze Protection Thermostat
6
Blower Speed Resistor
7
Blower Unit Motor
10 - 8
Section B
9803/3280
Section B
10 - 8
Issue 1
Fault Finding
M
1
A
B
2
3
6
7
4
5
A401410