Toyota ZZT230 series Repair Manual page 226

P0136 Oxygen
Oxygen
(01-58) tion
Malfunction (Bank 1
P0141
(01--56)
P0171
System too lean (Fuel Trim)
(DI-60 )
P0172
System
(01--60)
Random/Multiple Cylinder Misfire •Open or short in engine wire
P0300
(01-64 ) Dot .... .
Cyfindef 1 Misfire Detected
P030t
(01 --64 )
)
P0302
Cylinder
(01- -64 )
P0303
Cylinder 3 Misfire Detected
(OHUJ
P0304
CyUnd&r 4 Misfire Detected
{0 1-6 4)
1'0325 Knock Sensor
tlon
(01-71}
1'0335
Crankshaft Position Sensor �A"
Cifcuit Malfunction
(01-74)
Csmshaft
P0340
{01-76) cuit
P0420
Catalyst System Efficiency
(01-78) low Threshold
)
DIAGNOSTICS
Sensor
1
Circuli Malfuno- •Open or short in heated OKygen sensor circuit
Sensor 2)
• Heated O)()'gen sensor
{Bank
Sensor
Sensor
Heater Circuit
•Same
2)
•Air Induction system
•Injector blockage
• Mass air Row meter
• Engine coo l ant temp. sensor
• Fuel pressure
• Gas leakage on exhaust system
•Open or short in heated oxygen sensor (bank
-·
•Heated oxygen sensor (bank
• Injector
• Mass
• Engine coo l ant temp. senSCH'
too
•Ignition syslem
•Fuel pressure
Alch (Fuel Tri m )
•Gas leakage on exhaust system
• Open or shoft ln heated oxyg&n sensor (bank 1 sensor
circuit
•Heated oxygen sensor (bank
• Connector connection
• Vacuum
•Ignition system
•Injector
• Fuel pressure
Manifold
2
Misfire Detected •EGA system
•
• Engine coo l ant temp. sensor
•Compression pressure
• Valve
•Valve timing
•ECM
•Open or
(Bant< 1)
1 Circuit Malfunc-
•Knock sensor
•ECM
•Open or short in crankshaft position sensor circuit
•Crankshaft position sensor
•
Signal plate (Timing
•Crankshaft timing pulley
•ECM
•Open or short in camshaft position sensor
Position Sensor Cir· •Camshaft positiOn sensor
• Camkshaft timing pulley
Malfunction
•ECM
Be-
• Gas leakage on exhaust system
(Baril 1)
•Open or short in heated oxygen sensor circuit
• Heated oxygen sensor
• Three-way catalytic converter
ENGINE
as
DTC No. P0135
sensor 1)
1
ktak,
ail
blockage
flow meter
sensor
1
hose
connection
absoltsle pressure sensor
clearance
short
in knock sensor
1 ci«:u"
1 (looseness)
belt guide)
0
0
0
1 sensor 1)
0
1)
1 )
0
0
0
drcuit
0
0
DJ-15
0
0
0
0
0
0
0
0
0