LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chrysler >> 1993 >> Imperial >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Body Control Computer >> Vehicle Communications Tests >> Test 7B - Short To Battery
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test 7B - Short To Battery

NOTE: For connector terminal identification, see CONNECTOR IDENTIFICATION  . For appropriate wiring diagram, see WIRING DIAGRAMS  at end of article.
CAUTION: Always turn ignition switch to OFF position before disconnecting or connecting any module connector.
  1. Using an external ohmmeter, check resistance between PCM connector terminal No. 26, CCD bus positive circuit (Violet/Brown wire), and terminal No. 7, 8-volt supply circuit (Orange wire). If resistance is less than 5 ohms, repair short between Violet/Brown and Orange wires. Perform VERIFICATION PROCEDURE VER-1.
  2. If resistance is more than 5 ohms, check resistance between PCM connector terminal No. 46, CCD bus negative circuit (White/Black wire), and terminal No. 7, 8-volt supply circuit (Orange wire).
  3. If resistance is less than 5 ohms, repair short between White/Black and Orange wires. Perform VERIFICATION PROCEDURE VER-1. If resistance is more than 5 ohms, replace PCM. Perform VERIFICATION PROCEDURE VER-1.
scientia non olet · About LEMON Manuals