Check for open circuit in smoke generator.

3-1040-279-12&P

TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 4. Check for open circuit in smoke generator.

Disconnect cable assembly from connector 5J1 at each smoke generator.

Check continuity between pins J and K of connector 5J1 at each smoke generator.

If continuity was obtained, one of the vehicle cable assemblies is defective. Notify your

supervisor.

If continuity was not obtained, go to next step.

Step 5. Check sensing elements of both smoke generators.

Disconnect cable assembly from sensing elements.

Check continuity between center pins of sensing elements. Do not short center pin to

connector shell.

If continuity was obtained, check smoke generator wiring (P. 4-34) for an open circuit.

Repair wiring or replace cable assembly W12 (P. 4-22) as required.

If continuity was not obtained, replace sensing element (P. 4-22).

4-8

Change 2