NS9 - Checking Fuel System For Fault Codes

Connect DRB II to engine harness connector. Put system in Diagnostic Test Mode. Record all codes. If there are no fault codes, go to DR1  . If codes 88-12-26-55 (fuel injector driver circuit) are shown, go to NS10  below. If codes 88-12-27-55 (fuel injector control circuit) are shown, go to NS11  .