Toyota ZZT230 series, Repair Manual

Page: 225 / 821

Dl-14
ENGINE
DIAGNOSTIC TROUBLE CODE CHART
HINT:
Parameters listed in the chart may not be exactly the same as your reading due to the type of instrument
or other factors.
If a malfunction code is displayed during the
DTC
check in check mode, check the circuit for that code listed
in
the
table below. For details of each code, turn to the page referred to under the "See page " for the respec­
tive
"DTC
No." In the
DTC
chart.
SAE CONTROLLED·
.
DTC No. Trouble Area MIL'1
Mem01y
P0100 Mass Air
Flow
Circun. Malfunc-
•Open or short in
mass
air now meter circuit
(Di-23)
•Mass airflow
mater
0
0
•ECM
P0101 Mass
Air Flow
Circuit Rangel
• Mass
a1t
flow meter
0 0
(D�
Pertormance Problem
P0110
Intake Alf Temp. Circuil
Malfunc-
•Open or short in intake air temp. sensor
circuit
(0148)
•Intake air temp. sensor {bultt into
mass
air flow meter)
0 0
•ECM
P0115 Engine
Coolad:
Temp. Circuit
•Open or short
In engine
coolant temp. s
e
ns
or
cirwit
•Engine
coolant
temp. sensor 0
0
(01-33)
•ECM
P0116 Engine Coolant Temp. Circuit • Cooling s yste m
0
0
(DH7)
Range/Performance
Probl&rn
•
Engine coolant temp. sensor
P0120
ThroltlaiPedal Position
Sensor/
•Open or short in throttle position sensor circuit
(01-08)
Swllch
"A" Circuit Malfunction
• Throttle position S9llsor
0 0
•ECM
P0121
Throttle/Pedal Position Sensor/
• Throttle position sensor
Switch
"A" Circuit RangeJPerlor·
0
0
(DI-43)
mance Problem
• EC M
•Open or short In heated oxygen sensor (bank 1 sensor 1)
circuit
• Heated oxygen sensor (bank 1 sensor 1 )
P0125
lnsullicient
Coolant
Temp. lor
• Air induction system
0
0
{DI-44)
Closed
Loop
Fuel Control •Fuel pressure
•Injector
•Gas
leakage on
exhaust s
y
s
te
m
•ECM
•Open or short I n heated oxygen sensor circuit
• Heated oxygen sensor
P0130
Heated Oxygen Sensor Circuit •Air induction system
(DI-49)
Malfunction (Bank
1
Sensor 1)
•EGA system
0
0
(Excepl calif.)
•
Fuel pressure
• I
nj
ec
to
r
•ECM
•Open
or short in heated
oxygen sensor circuit
• Heated oxyoen sensor
P0133 Oxygen
Sensor Circuit Stow
Re-
•Air Induction system
(DI-53)
sponse (Bank
1
Sensor 1}
•EGR system
0
0
•Fuel pressure
•Injector
•
EC M
P0135
Oxygen Sensor
Heat&f
Circuit
•Open or short in heater circuit of heated oxygen sensor
• Heated oxygen sensor heater
0 0
(DI-56)
Malfunction (Bank 1 Sensor 1)
•
E
C M