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Home >> Infiniti >> 1998 >> Q45 Base >> Repair and Diagnosis >> Brakes >> Anti-Lock - Traction Control >> Diagnosis & Testing >> Preliminary Checks >> Check For PCM DTCs
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Check For PCM DTCs

Prior to accessing any ABS/TCS DTCs, ensure no engine performance type DTCs are set. In some instances engine performance DTCs will automatically disable ABS/TCS operations. Always review and record all DTCs set whenever entering into self-diagnostics.

Enter into self-diagnostics. See SELF-DIAGNOSTICS SYSTEM under SELF-DIAGNOSTIC - INTRODUCTION article in ENGINE PERFORMANCE section. Retrieve any DTCs set. If any of the following DTCs are set, go to appropriate testing procedure for DTC set. See DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION table. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE section. If no engine performance type DTCs are set, continue with self-diagnostics for ABS/TCS related systems.

DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

Scan Tool DTC/MIL DTC System/Circuit Affected
P0100/0102 Mass Air Flow (MAF) Sensor
P0115/0103 Engine Coolant Temperature (ECT) Sensor
P0120/0403 Throttle Position (TP) Sensor
P0335/0802 Crankshaft Position (CKP) Sensor
P0340/0101 Camshaft Position (CMP) Sensor
P0510/0203 Throttle Position (TP) Sensor
P1320/0201 Ignition Signal Circuit