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− − − − 01 02 03 YES NO YES NO 11-194 Idle Control System Alternator FR Signal Circuit Troubleshooting (cont’d) ALTERNATOR 4P CONNECTOR ALTF (WHT/RED) JUMPER WIRE PCM CONNECTOR A (31P) ALTF (WHT/RED) PCM CONNECTOR A (31P) ALTF (WHT/RED) 11. Connect alternator 4P connector terminal No. 4 to body ground with a jumper wire. 12. Check for continuity between body ground and PCM connector terminal A19. Test the alternator (see step 1 on page 4-24). Repair open in the wire between the PCM (A19) and the alternator. 13. Turn the ignition switch OFF. 14. Disconnect PCM connector A (31P). 15. Check for continuity between body ground and PCM connector terminal A19. Repair short in the wire between the PCM (A19) and the alternator. Substitute a known-good PCM and recheck (see page 11-5). If the prescribed voltage is now Wire side of female terminals Wire side of female terminals Wire side of female terminals Is ther e continuity? Is ther e continuity? 03/07/29 09:23:11 61S0X050_110_0194 |