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Home >> Isuzu >> 1988 >> Impulse 2.0 F, Standard >> Repair and Diagnosis >> Engine Performance >> System >> I-TEC Control System >> TCU Trouble Codes >> TCU Code 2 - Ignition Signal
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TCU Code 2 - Ignition Signal

Check harness from negative side of ignition coil to pin No. 19 on TCU. Check for continuity between pin No. 19 and Brown wire at coil. Check all connections. Check that no continuity exists between pin No. 19 and ground. Repair or replace harness as required.