Toyota RM744U User Manual
DI–14
–DIAGNOSTICS ENGINE
DI37T–03
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 respective ’’DTC No.’’ in the DTC chart.
SAE CONTROLLED:
DTC No. Detection Item Trouble Area MIL*
P0100
(DI–23)
P0101
(DI–27)
P0110
(DI–28)
P0115
(DI–33)
P0116
(DI–37)
P0120
(DI–38)
P0121
(DI–43)
P0125
(DI–44)
P0130
(DI–49)
P0133
(DI–53)
P0135
(DI–56)
Mass Air Flow Circuit Malfunction
Mass Air Flow Circuit Range/
Performance Problem
Intake Air T emp. Circuit Malfunction
Engine Coolant T emp. Circuit
Malfunction
Engine Coolant T emp. Circuit
Range/Performance Problem
Throttle/Pedal Position Sensor/
Switch ”A” Circuit Malfunction
Throttle/Pedal Position Sensor/
Switch ”A” Circuit Range/Performance Problem
Insufficient Coolant Temp. for
Closed Loop Fuel Control
Heated Oxygen Sensor Circuit
Malfunction (Bank 1 Sensor 1)
(Except Calif.)
Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1)
Oxygen Sensor Heater Circuit
Malfunction (Bank 1 Sensor 1)
S Open or short in mass air flow meter circuit
S Mass air flow meter
S ECM
S Mass air flow meter f f
S Open or short in intake air temp. sensor circuit
S Intake air temp. sensor (built into mass air flow meter)
S ECM
S Open or short in engine coolant temp. sensor circuit
S Engine coolant temp. sensor
S ECM
S Cooling system
S Engine coolant temp. sensor
S Open or short in throttle position sensor circuit
S Throttle position sensor
S ECM
S Throttle position sensor
S ECM
S Open or short in heated oxygen sensor (bank 1 sensor 1)
circuit
S Heated oxygen sensor (bank 1 sensor 1)
S Air induction system
S Fuel pressure
S Injector
S Gas leakage on exhaust system
S ECM
S Open or short in heated oxygen sensor circuit
S Heated oxygen sensor
S Air induction system
S EGR system
S Fuel pressure
S Injector
S ECM
S Open or short in heated oxygen sensor circuit
S Heated oxygen sensor
S Air induction system
S EGR system
S Fuel pressure
S Injector
S ECM
S Open or short in heater circuit of heated oxygen sensor
S Heated oxygen sensor heater
S ECM
1
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Memory
2000 CELICA (RM744U)
–DIAGNOSTICS ENGINE
j
Manifold absolute pressure sensor
DI–15
P0136
(DI–58)
P0141
(DI–56)
P0171
(DI–60)
P0172
(DI–60)
P0300
(DI–64)
P0301
(DI–64)
P0302
(DI–64)
P0303
(DI–64)
P0304
(DI–64)
P0325
(DI–71)
P0335
(DI–74)
P0340
(DI–76)
P0420
(DI–78)
Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2)
Oxygen Sensor Heater Circuit
Malfunction (Bank 1 Sensor 2)
System too Lean (Fuel Trim)
System too Rich (Fuel Trim)
Random/Multiple Cylinder Misfire
Detected
Cylinder 1 Misfire Detected
Cylinder 2 Misfire Detected
Cylinder 3 Misfire Detected
Cylinder 4 Misfire Detected
Knock Sensor 1 Circuit Malfunction (Bank 1)
Crankshaft Position Sensor ”A”
Circuit Malfunction
Camshaft Position Sensor Circuit Malfunction
Catalyst System Efficiency Below Threshold (Bank 1)
S Open or short in heated oxygen sensor circuit
S Heated oxygen sensor
S Same as DTC No. P0135 f f
S Air induction system
S Injector blockage
S Mass air flow meter
S Engine coolant temp. sensor
S Fuel pressure
S Gas leakage on exhaust system
S Open or short in heated oxygen sensor (bank 1 sensor 1)
circuit
S Heated oxygen sensor (bank 1 sensor 1)
S Injector leak, blockage
S Mass air flow meter
S Engine coolant temp. sensor
S Ignition system
S Fuel pressure
S Gas leakage on exhaust system
S Open or short in heated oxygen sensor (bank 1 sensor 1)
circuit
S Heated oxygen sensor (bank 1 sensor 1)
S Open or short in engine wire
S Connector connection
S Vacuum hose connection
S Ignition system
S Injector
S Fuel pressure
S EGR system
S
S
S Engine coolant temp. sensor
S Compression pressure
S Valve clearance
S Valve timing
S ECM
S Open or short in knock sensor 1 circuit
S Knock sensor 1 (looseness)
S ECM
S Open or short in crankshaft position sensor circuit
S Crankshaft position sensor
S Signal plate (Timing belt guide)
S Crankshaft timing pulley
S ECM
S Open or short in camshaft position sensor circuit
S Camshaft position sensor
S Camkshaft timing pulley
S ECM
S Gas leakage on exhaust system
S Open or short in heated oxygen sensor circuit
S Heated oxygen sensor
S Three–way catalytic converter
p
f f
f f
f f
f f
f f
f f
f f
f f
2000 CELICA (RM744U)
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