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Home >> Suzuki >> 2007 >> Grand Vitara 4WD V6-2.7L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Inspection of ECM (PCM) and Its Circuits >> Part 2
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Part 2

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Resistance Check

1. Remove ECM from its bracket referring to Engine Control Module (ECM) Removal and Installation.

CAUTION: Never touch terminals of ECM itself or connect voltmeter or ohmmeter (2).

2. Connect special tool (A) to ECM connectors (1) securely.

NOTE: Do not connect the other connector of special tool to ECM.

3. Check resistance between each pair of terminals of special tool connectors as listed in the following table.









CAUTION:
- Be sure to connect ohmmeter probe from wire harness side of coupler.
- Be sure to turn OFF ignition switch for this check.
- Resistance in the following table represents that measured when parts temperature is 20 °C (68 °F)
.