EG–518 ENGINE – 2JZ–GTE ENGINE TROUBLESHOOTING DTC 13 G NE Signal Circuit (No.2) CIRCUIT DESCRIPTION Refer to G, NE signal circuit (No.1) on page EG–515 DTC No. | Diagnostic Trouble Code Detecting Condition | Trouble Area No NE signal to ECM for 0.1 sec. or more at 1,000 rpm or more • Open or short in crankshaft position sensor circuit • Crankshaft position sensor • ECM 13 NE signal does not pulse 12 times to ECM during the interval between G1 and G2 pulses • Open or short in crankshaft position sensor circuit • Mechanical system malfunction (skipping teeth of timing belt, belt stretched) • Crankshaft position sensor • ECM Deviation in G (G1, G2) and NE signal Continues for 3 sec. during idling throttle fully closed after engine warmed up • Mechanical system malfunction (skipping teeth of timing belt, belt stretched) • Camshaft position sensor No. 1, No.2 • ECM INSPECTION PROCEDURE 1 Inspect sensor installation. Check if any teeth of NE signal plate are broken. OK NG Tighten sensor. Replace timing rotor. 2 Check valve timing (Check for loose and jumping teeth of timing belt (See page EG–33)). OK NG Adjust valve timing (repair or replace timing belt). Check for intermittent problems. (See page EG–505)