FUEL PUMP AND IGNITION DRIVE MOTOR DOES NOT OPERATE IN PURGE ON POSITION.

TM 3-4230-209-30&P

2-8

TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

WATER HEATER (CONT)

3. FUEL PUMP AND IGNITION DRIVE MOTOR DOES NOT OPERATE IN PURGE ON POSITION.

Step 1. Check wire No. 18 for continuity using the following procedures:

a. Disconnect wire No. 18 from relay K1-A1, and disconnect other end from the

fuel pump and ignition drive motor (1).

b. Use multimeter to check continuity between ends of wire No. 18 while flexing the

entire length of the wire.

Reinstall wire No. 18 if continuity is indicated.

Replace wire No. 18 if defective.