DTC Troubleshooting: P1041 (71), P1042 (72), P1043 (73), P1044 (74), P2146 (177), P2149 (177)

  1. Check for continuity between injector 2P connector terminal No. 1 and body ground (see table).
    PROBLEM CYLINDER
    DTC
    INJECTOR TERMINAL NAME
    ECM TERMINAL No. (CONNECTOR)
    WIRE COLOR
    No. 1
    P1041
    P2146
    INJ1−
    74 (No. 1)
    BRN
    No. 2
    P1042
    P2149
    INJ2−
    49 (No. 1)
    RED
    No. 3
    P1043
    P2149
    INJ3−
    73 (No. 1)
    BLU
    No. 4
    P1044
    P2146
    INJ4−
    50 (No. 1)
    YEL

Is there continuity?
YES -
Repair short in the wire between the injector and the ECM, then go to Step 16 .
NO -
Go to Step 12 .
  1. Turn the ignition switch ON (II).