## PGM-FI System

#### DTC Troubleshooting (cont'd)

11-84

46. Measure voltage between the injector 2P connector terminal No. 1 and body ground.

INJECTOR 2P CONNECTOR

Wire side of female terminals

Is there battery voltage?

YES | - Go to step 47.
NO | - Repair open in the wire between the injector and the PGM-FI main relay.

47. Turn the ignition switch OFF.
48. Check for continuity between body ground and the appropriate ECM/PCM connector terminal (see table).

ECM/PCM CONNECTOR B (24P)

Wire side of female terminals

PROBLEM CYLINDER | DTC | ECM/PCM TERMINAL | WIRE COLOUR
No. 1 | P0301 | B5 | BRN
No. 2 | P0302 | B4 | RED
No. 3 | P0303 | B3 | BLU
No. 4 | P0304 | B2 | YEL

Is there continuity?

YES | - Repair short in the wire between the ECM/PCM and the injector.
NO | - Go to step 49.

49. Connect the appropriate injector 2P connector terminal No. 2 to body ground with a jumper wire (see table).

INJECTOR 2P CONNECTOR

Wire side of female terminals

PROBLEM CYLINDER | DTC | WIRE COLOUR
No. 1 | P0301 | BRN
No. 2 | P0302 | RED
No. 3 | P0303 | BLU
No. 4 | P0304 | YEL

50. Check for continuity between body ground and the appropriate ECM/PCM connector terminal (see table).

ECM/PCM CONNECTOR B (24P)

Wire side of female terminals

PROBLEM CYLINDER | DTC | ECM/PCM TERMINAL | WIRE COLOUR
No. 1 | P0301 | B5 | BRN
No. 2 | P0302 | B4 | RED
No. 3 | P0303 | B3 | BLU
No. 4 | P0304 | B2 | YEL

Is there continuity?

YES | - Replace the injector, then recheck.
NO | - Repair open in the wire between the ECM/PCM and the injector.