LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saab >> 2001 >> 9-3 Base, 4D Hatchback, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Electronic Control Module (ECM) >> Power Circuit
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Power Circuit

  1. Turn ignition off. Check for battery voltage between specified ECM terminal and ground. See POWER TERMINAL IDENTIFICATION  table. See Fig 1 . If battery voltage exists, go to next step. If battery voltage does not exist, repair open circuit between ECM and specified fuse located in instrument panel fuse block, located at left end of instrument panel. See POWER TERMINAL IDENTIFICATION  table. See appropriate WIRING DIAGRAM under ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS.
  2. Turn ignition on. Check for battery voltage between specified ECM terminal and ground. See POWER TERMINAL IDENTIFICATION  table. If battery voltage does not exist, repair open circuit between ECM and specified fuse located in instrument panel fuse block, located at left end of instrument panel. See POWER TERMINAL IDENTIFICATION  table.
POWER TERMINAL IDENTIFICATION

Model Fuse No. Terminal (Wire Color)
9-3
Ignition Off 28 No. 23 (Pink/White Wire)
Ignition On 17 No. 43 (Yellow/Grey Wire)
9-5
Ignition Off 17 No. 23 (Red Wire)
Ignition On 27 No. 43 (Red/Blue Wire)
Fig 1: Identifying ECM Terminals (All Models)
G99E52922Courtesy of SAAB-SCANIA OF AMERICA, INC.
scientia non olet · About LEMON Manuals