Diesel Data: Automotive Repair

A/C Switch - Lever Type

ON-VEHICLE INSPECTION





1. Disconnect negative cable from battery.
2. Remove A/C switch.









3. Using an ohmmeter, check continuity between the terminals for each switch position as shown in the table.

NOTE: When checking for continuity in circuits which contain an LE, please observe the following instructions.

a. Use a tester with a power source of 3V or greater to overcome the circuit resistance.
b. If a suitable tester is not available, apply battery voltage and check that the LED lights up.
If there is no continuity as specified, replace the A/C switch.
4. Install A/C switch.
5. Connect negative cable to battery.