Power Circuits

Turn ignition switch off. Disconnect PCM harness connector and connect 104-Pin Breakout Box (49-UN01-130). See Fig 1 . Using a DVOM, check for battery voltage between ground and PCM terminal No. 55 (KAPWR). Turn ignition switch to START or RUN position. Check for battery voltage between ground and PCM connector terminal No. 71 (VPWR). See Fig 2 -Fig 6 . If battery voltage is not present, power is not being supplied from PCM power relay. See WIRING DIAGRAMS article.

Fig 1: Identifying 104-Pin Break Out Box

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Fig 2: Identifying PCM Connector & Terminals (B2300)

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Fig 3: Identifying PCM Connector & Terminals (B3000)

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Fig 4: Identifying PCM Connector & Terminals (B4000)

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Fig 5: Identifying PCM Connector & Terminals (Tribute 2.0L)

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Fig 6: Identifying PCM Connector & Terminals (Tribute 3.0L)

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