Sidekick L4-1324cc 1.3L SOHC 5 Carb 8V (1989)
Coolant Temperature Sensor / Switch HVAC: Technical Service Bulletins
A/C - Water Temperature Switch Installation
Division:
Automotive
Category:
Technical
TSB No. TS2-03 03319
Section Title:
Body Electrical
SUBJECT:
A/C WATER TEMPERATURE SWITCH INSTALLATION AND DIAGNOSTICS
MODEL:
SIDEKICK
YEAR:
1989
When installing the water temperature switch during an air conditioner installation, the following procedure must be observed to prevent switch damage:
Procedure Tighten and torque the water temperature switch using only hand tools with a deep socket.
Specified Torque:
8.6 ft.lbs. 120 kg cm
Caution
-
Do not install the switch using air tools.
-
Do not over torque the switch during installation.
-
Do not drop the switch or strike the switch in any way.
Symptoms of Failure
-
Compressor clutch does not engage.
-
Condenser fan motor does not turn off.
Troubleshooting and Testing
-
With the A/C system "on", connect the water temperature switch lead wire to ground. The compressor clutch should engage.
-
Using an Ohmmeter, check the switch at room temperature for continuity between the housing and terminal. If there is no continuity, the
switch is defective and must be replaced.
Fact
-
The switch contacts are normally closed, and open (break ground) only during an engine overheating condition.