G3412C, G3508, G3512 and G3516 Engines Status Control Module Caterpillar

The 07 diagnostic code indicates that the position of the rotary switch does not match the 02 set point that was programmed into the Status Control Module (SCM).

Note: The Engine Control Switch (ECS) must be turned to the OFF/RESET position after programming a set point.

Test Step 1. Reset the SCM

1. Turn the ECS to the OFF/RESET position.

2. Turn the ECS to the COOLDOWN/STOP position.

Expected Result:

The 07 diagnostic fault code is not active.

Results:

• OK - The 07 diagnostic fault code is not active.

  Repair: The problem is no longer present. If the problem is intermittent, inspect the electrical connectors and wiring.If necessary, repair the connectors or wiring and/or replace the connectors or wiring.Verify that the repair eliminates the problem.

  STOP

• Not OK - The 07 diagnostic fault code is active.

  Repair: The position of the rotary switch does not match the 02 set point that was programmed into the SCM. Proceed to Testing and Adjusting, "Setpoint Programming".

  STOP