Checking Relay to Secondary Air Injection Pump

Checking Relay To Secondary Air Injection Pump





Plug in the connector.
- Relay, SAI pump (324)









- Turn the ignition switch to the ON position
- Activate SAI pump.





- The test lamp should light.

Checking the Wiring Harness
Jiggle the leads and in-line connectors at several places and in different directions to reveal intermittent breaks and short circuits in the wiring harness. Observe the multimeter test lamp or diagnostic tool while doing this

Is the function correct?

NO - Changing Components - V

YES - Continue with Checking Relay to Secondary Air Injection Pump





- Turn the ignition switch to the OFF position.





- Connect test lamp 86 11 857 to pins 1 and 2 of the female connector.





Checking relay to secondary air injection pump
- Activate SAI pump





- The test lamp should light.

Is the function correct?

NO - Rectifying the Lead - III

YES - Changing Components - III