ENGINE GENERAL INFORMATION AND DIAGNOSIS (G16/J20 ENGINES) 6-21
Fail-Safe Table
When any of the following DTCs is detected, ECM (PCM) enters fail-safe mode as long as malfunction continues
to exist but that mode is canceled when ECM detects normal condition after that.
DTC NO. TROUBLE AREA FAIL SAFE OPERATION
P0100
(No.33, 34)
MAF SENSOR
• Injector drive time (fuel injection volume) is determined accord-
ing to throttle valve opening and engine speed.
• EGR valve stops.
• Air flow of IAC valve is limited.
P0110
(No.23, 25)
IAT SENSOR
Each control is performed on the basis of 21.8°C (71.2°F) intake
air temp.
P0115
(No.14, 15)
ECT SENSOR
• Each control except 4-A/T is performed on the basis of 30.1°C
(86.2°F) engine coolant temp.
• 4-A/T control is performed assuming 31°C (87.8°F) (engine
warmed up) or higher after 15 min. from engine start.
P0120
(No.21, 22)
TP SENSOR
• Each control except 4-A/T is performed on the basis of 124.5°
throttle valve opening.
• 4-A/T control is performed on the basis of 0° throttle valve open-
ing.
P0500
(No.24)
VEHICLE SPEED SEN-
SOR
Air flow of IAC valve is limited.
P1450
BAROMETRIC PRES-
SURE SENSOR
Each control is performed based on 760 mmHg barometric pres-
sure.
P0705
(No.72)
TR SWITCH A/T control is performed in priority order of L, 2, N, D, R and P.
P0720
(No.75)
OUTPUT SPEED SEN-
SOR CIRCUIT MAL-
FUNCTION
A/T control is performed by using signal from VSS.
P0753
(No.61, 62)
SHIFT SOLENOID A (#1)
• A/T control using 3rd gear is performed when D range, 1st, or
2nd gear is used.
• TCC solenoid OFF
P0758
(No.63, 64)
SHIFT SOLENOID B (#2)
• A/T control using 4th gear is performed when D range, 2nd or
3rd gear is used.
• When both shift solenoids A (#1) and B (#2) failed simulta-
neously, A/T control using 4th gear is always performed in D
range.
• TCC solenoid OFF
P0743
(No.65, 66)
TCC (Lock-up) SOLE-
NOID
TCC (Lock-up) solenoid OFF
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