Test Ff: Step 1

1) Code 52 Displayed, Attempt to Eliminate Code  Code 52 indicates that PSPS circuit is open. Turn key off and wait 10 seconds. Disconnect PSPS. Install a jumper wire between PSPS circuit and SIG RTN at vehicle harness connector. Repeat KOEO Self-Test. If Code 52 is not displayed, replace PSPS and repeat QUICK TEST. If Code 52 is still displayed, go to next step.