Hi,
First, take a look at the first couple of pics I attached. That is a technical service bulletin related to the fuel pump relay. The fuel pump relay is an integral component in the intelligent power distribution module (IPDM).
There is a high-pressure fuel pump relay located in relay box 1. See pics 5 and 6.
Let me know if that helps.
Take care,
joe
See pics below.
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Tuesday, July 19th, 2022 AT 8:41 PM