Check for continuity between body ground and the appropriate ECM/PCM connector terminal (see table).
PROBLEM CYLINDER | DTC | ECM/PCM TERMINAL | WIRE COLOR
--- | --- | --- | ---
No. 1 | P0301 | B5 | BRN
No. 2 | P0302 | B4 | RED
No. 3 | P0303 | B3 | BLU
No. 4 | P0304 | B2 | YEL
Is there continuity?
YES | - | Go to Step 56 .
NO | - | Repair open in the wire between the ECM/ PCM and the injector, then go to Step 62 .