LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Engine Controls - Tests W/Codes - 3.0L) >> No-Start Tests >> Test NS-6D - Correcting No Response Condition

Test NS-6D - Correcting No Response Condition

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, and 1995 Dodge Caravan. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: For circuit and connector terminal identification, see CONNECTOR IDENTIFICATION  . For wiring diagrams, see WIRING DIAGRAMS  section.
  1. Disconnect fuel pump electrical connector and oxygen sensor connector. Using scan tool, check resistance of fuel pump relay connector Dark Green/Black wire. If resistance is more than 5 ohms, go to next step. If resistance is less than 5 ohms, repair short to ground in Dark Green/Black wire. Perform TEST VER-1.
  2. Check resistance of oxygen sensor connector (component side) terminal No. 4 (White wire). If resistance is less than 5 ohms, replace oxygen sensor. Perform TEST VER-1. If resistance is more than 5 ohms, replace fuel pump. Perform TEST VER-1.