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P2122-PPS 1 VOLTAGE TOO LOW (CONTINUED) 2. (F855) APPS NO. 1 5-VOLT SUPPLY OPEN Measure the resistance of the (F855) APPS No. 1 5-volt supply circuit Is the resistance less than 10 ohms? Yes >> Go To 3 No >> Repair the (F855) APPS No. 1 5-volt supply open. Perform POWERTRAIN VERIFICATION TEST VER - 1 3. (K23) APPS NO. 1 SIGNAL CIRCUIT SHORTED TO GROUND Measure the resistance between the (K23) APPS No. 1 signal circuit Is the resistance greater than 100 k ohms? Yes >> Go To 4 No >> Repair the (K23) APPS No. 1 signal circuit shorted to ground. Perform POWERTRAIN VERIFICATION TEST VER - 1 9 - 1406 ENGINE - ELECTRICAL DIAGNOSTICS - DIESEL DR/DH |