Air Dryer or Moisture Ejector Inoperative. Isuzu Isuzu T-Series (Truck Line C) 2002

For 1990-2009 cars only

Makes 🢒 Isuzu 🢒 2002 🢒 Isuzu T-Series (Truck Line C) 🢒 Brakes 🢒 Air Brakes 🢒 Air Dryer or Moisture Ejector Inoperative

Step	Action	Yes	No
1	Turn the ignition switch to RUN. Backprobe the inoperative component with a test lamp from terminal A to the chassis ground. Did the test lamp light?	Go to Step 2	Go to Step 3
2	Backprobe the inoperative component with a test lamp from terminal B to B+. Did the test lamp light?	Go to Step 4	Go to Step 5
3	Repair the open in CKT 341 (BRN) between S701 and the inoperative component. Does the air dryer or the moisture ejector heater operate?	System OK	--
4	Replace the inoperative component. Does the air dryer or the moisture ejector heater operate?	System OK	--
5	Repair the open in CKT 150 (BLK) between the inoperative component and S702. Does the air dryer or the moisture ejector heater operate?	System OK	--