LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 1996 >> Forward Control 4.3 Z, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 (Engine Controls - Tests W/Codes - Body Control Computer) >> Self-Diagnostic Tests >> Test 86C - Shorted Left (L) Channel

Test 86C - Shorted Left (L) Channel

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.
CAUTION: Always turn ignition off prior to disconnecting any module connector.
NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  section at the end of this article. Perform TEST VER-1B after each repair.
NOTE: Radio must remain on during this test.
  1. Turn radio on. Disconnect Left Rear (LR) speaker connector. If sound is restored to L channel when LR speaker connector is disconnected, replace LR speaker. If sound is not restored to L channel when LR speaker is disconnected, go to next step.
  2. Disconnect Left Door (LD) speaker connector. If sound is restored to L channel when LD speaker is disconnected, replace LD speaker. If sound is not restored to L channel when LD speaker is disconnected, go to next step.
  3. Disconnect Instrument Panel (IP) speaker connector. If sound is restored to L channel when IP speaker is disconnected, replace IP speaker. If sound is not restored to L channel when IP speaker is disconnected, go to next step.
  4. Turn ignition off. Gain access to back of radio and disconnect radio Black connector. Using scan tool in ohmmeter mode, check resistance of radio Black connector terminal No. 4 (Dark Green wire). If resistance is less than 5 ohms, repair short to ground in Dark Green wire. If resistance is more than 5 ohms, go to next step.
  5. Check resistance of radio Black connector terminal No. 2 (Brown/Yellow wire). If resistance is less than 5 ohms, repair short to ground in Brown/Yellow wire. If resistance is more than 5 ohms, go to next step.
  6. Check resistance of radio Black connector terminal No. 6 (Brown/Light Blue wire). If resistance is less than 5 ohms, repair short to ground in Brown/Light Blue wire. If resistance is more than 5 ohms, go to next step.
  7. Disconnect radio Gray connector. Check resistance of radio Gray connector terminal No. 2 (Brown/Red wire). If resistance is less than 5 ohms, repair short to ground in Brown/Red wire. If resistance is more than 5 ohms, replace radio.
scientia non olet · About LEMON Manuals