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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 91 (Air Bag Restraint System) >> Diagnosis & Testing >> Entering On-Board Diagnostics >> DRB Volt/Ohm Meter Mode

DRB Volt/Ohm Meter Mode

WARNING: This page is about a different car, the 1995 Plymouth Voyager, 1995 Plymouth Grand Voyager, 1995 Dodge Grand Caravan, 1995 Dodge Caravan, and 1995 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
  1. To access volt/ohm meter mode of DRB, connect Red volt/ohm meter test lead to Red port, located on right top side of DRB.
  2. To access volt meter, press VOLT/OHM key once. DRB is now in volt meter mode. Touch test probe to connector or wire to be measured. Read voltage on DRB display. When voltage testing is complete, press VOLT/OHM key 3 times to exit volt meter mode.
  3. To access ohm meter, press VOLT/OHM key twice. DRB is now in ohm meter mode. Touch test probe to connector or wire to be measured. Read resistance to circuit ground on DRB display. When resistance testing is complete, press VOLT/OHM key twice to exit ohm meter mode.
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