DTC Troubleshooting: P0201 (71), P0202 (72), P0203 (73), P0204 (74)
  1. Check for continuity between body ground and the appropriate ECM connector terminal (see table).
    PROBLEM CYLINDER
    DTC
    ECM TERMINAL No. (CONNECTOR)
    WIRE COLOR
    No. 1
    P0201
    25 (No. 1)
    BLK
    No. 2
    P0202
    2 (No. 1)
    WHT/RED
    No. 3
    P0203
    1 (No. 1)
    RED/BLK
    No. 4
    P0204
    26 (No. 1)
    GRN

Is there continuity?
YES -
Go to Step 11 .
NO -
Repair open in the wire between the injector and the ECM, then go to Step 14 .