DTC Troubleshooting: P1041 (71), P1042 (72), P1043 (73), P1044 (74), P2146 (177), P2149 (177)
  1. Measure voltage between injector 2P connector terminal No. 2 and body ground (see table).
    PROBLEM CYLINDER
    DTC
    INJECTOR TERMINAL NAME
    ECM TERMINAL No. (CONNECTOR)
    WIRE COLOR
    No. 1
    P1041
    P2146
    INJ1+
    25 (No. 1)
    BLK
    No. 2
    P1042
    P2149
    INJ2+
    2 (No. 1)
    WHT/RED
    No. 3
    P1043
    P2149
    INJ3+
    1 (No. 1)
    RED/BLK
    No. 4
    P1044
    P2146
    INJ4+
    26 (No. 1)
    GRN

Is there battery voltage?
YES -
Repair short to power in the wire between the injector and the ECM, then go to Step 16 .
NO -
Go to Step 14 .