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P2121-PPS CONFORMANCE ERROR (CONTINUED) 20. SIGANAL CIRCUIT SHORTED TO SUPPLY CIRCUIT Measure the resistance between the APPS 2 signal circuit in the sen- Is the resistance greater than 100 K ohms? Yes >> Go To 21 No >> Repair the signal circuit shorted to the supply. Perform POWERTRAIN VERIFICATION TEST VER - 1 21. RETURN CIRCUIT SHORTED TO OTHER CIRCUITS Measure the resistance between the APPS 2 return circuit at the ECM Yes >> Go To 22 No >> Repair the return circuit shorted to other circuits. Perform POWERTRAIN VERIFICATION TEST VER - 1 9 - 1402 ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL DR/DH |