Page text (OCR transcript)
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)
