Page text (OCR transcript)
EG–390
ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING
DTC No. | Number of MIL Blinks | Circuit | Diagnostic Trouble Code Detecting Condition
22 | BE3932 | Engine Coolant Temp. Sensor Circuit | Open or short in engine coolant temp. sensor circuit for 0.5 sec. or more
24 | BE3932 | Intake Air Temp. Sensor Signal | Open or short in intake air temp. sensor circuit for 0.5 sec. or more
25 | BE3932 | Air–Fuel Ratio Lean Malfunction |
(1) (Main heated*3) oxygen sensor voltage is 0.45 V or less (lean) for 90 sec. under conditions (a) and (b):
(2 trip detection logic)*4
(a) Engine speed: 1,500 rpm or more
(b) Engine coolant temp.: 70°C (158°F) or more
(2)*3 Difference of air–fuel ratio feedback compensation value between front (no.1 ~ 3 cylinders) and rear (No.4 ~ 6 cylinders) is more tan 15 percentage for 20 sec. or more under conditions (a) and (b):
(2 trip detection logic)*4
(a) Engine speed: 2,000 rpm or more
(b) Engine coolant temp.: Between 60°C (140°F) and 95°C (203°F)
(3)*3 Engine speed varies by more than 15 rpm over the preceding crank angle period during a period o 20 sec. or more under conditions (a) and (b):
(2 trip detection logic)*4
(a) Engine speed: Idling
(b) Engine coolant temp.: Between 60°C (140°F) and 95°C (203°F)
*3, 4: See page EG–396 397.
