2003 Acura 3.2TL BaseFACTORY OEM SERVICE PROCEDURE

3.2CL & 3.2TL

Measure voltage by backprobing between PCM 32-pin harness A connector terminal No. 24 (Blue/Orange wire) and PCM 25-pin harness B connector terminal No. 20 (Brown/Yellow wire - A/T) or ECM 31-pin harness A connector terminal No. 26 (Brown/Yellow wire) and ECM 32-pin harness E connector terminal No. 8 (Blue/Orange wire - M/T) with ignition switch in START position. See Figure or Figure . If battery voltage is present, starter signal is okay. If battery voltage is not present, inspect No. 13 STARTER SIGNAL (7.5-amp) fuse in underdash fuse/relay box. If fuse is okay, repair open in Blue/Orange wire between PCM 32-pin harness connector terminal No. 24 (A/T) or ECM 32-pin harness E connector terminal No. 8 (M/T) and under-dash fuse/relay box 18-pin harness connector terminal No. 18. If fuse is blown, repair short in Blue/Orange wire between PCM 32-pin harness connector terminal No. 24 (A/T) or ECM 32-pin harness E connector terminal No. 8 (M/T) and under-dash fuse/relay box 18-pin harness connector terminal No. 18 and between under-dash fuse/relay box 22-pin harness connector terminal No. 10 and PGM-FI main relay harness connector terminal No. 2. Replace fuse.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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