Air Injection Pump Relay: Description and Operation

Secondary Air Injection Pump Relay.










The secondary air injection pump (326) is activated by the control module Trionic T7 when the conditions agree with the pre-programmed values. The control module activates the pump via relay 324 from connection 12.

For further description of the secondary air injection, see Secondary air injection (SAI).

Diagnostics
- Diagnostic trouble code P1413 will be generated in the event of a break or short-circuit to ground.
- Diagnostic trouble code P1414 will be generated in the event of a short-circuit to B+.