2001 TOYOTA SEQUOIA TS pin
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DI±52
± DIAGNOSTICSENGINE
246 Author: Date:
2005 SEQUOIA (RM1146U)FUEL SYS #2
Fuel system status (Bank1):
OL or CL or OL DRIVE or
OL FAULT or CL FAULT
CL: Idling after warming up
OL (Open Loop): Has not yet sa-
tisfied conditions to go closed
loop
CL (Closed Loop): Using heated
oxygen sensor as feedback for
fuel control.
OL DRIVE: Open loop due to
driving conditions (fuel enrich-
ment)
OL FAULT: Open loop due to de-
tected system fault
CL FAULT: Closed loop but
heated oxygen sensor, which
used for fuel control malfunction-
ing
O2FT B1 S2
Short±term fuel trim associated
with the bank 1 sensor 2:
Min.: ±100 %, Max.: 99.2 %
0 ± 20 %Same as SHORT FT #1
O2FT B2 S2
Short±term fuel trim associated
with the bank 1 sensor 2:
Min.: ±100 %, Max.: 99.2 %
0 ± 20 %Same as SHORT FT #1
AF FT B1 S1
Short±term fuel trim associated
with the bank 1 sensor 1:
Min.: 0, Max.: 1.999
Value less than 1 (0.000 to
0.999) = Lean
Stoichiometric air±fuel ratio=1
Value greater than 1 (1.001 to
1.999) = RICH
'
AF FT B2 S1
Short±term fuel trim associated
with the bank 1 sensor 1:
Min.: 0, Max.: 1.999
Value less than 1 (0.000 to
0.999) = Lean
Stoichiometric air±fuel ratio=1
Value greater than 1 (1.001 to
1.999) = RICH
'
CAT TEMP B1S1
Catalyst temperature (Bank 1,
Sensor 1):
Min.: ±40, Max.: 6,513.5 C
''
CAT TEMP B2S1
Catalyst temperature (Bank 1,
Sensor 1):
Min.: ±40, Max.: 6,513.5 C
''
CAT TEMP B1S2
Catalyst temperature (Bank 1,
Sensor 2):
Min.: ±40, Max.: 6,513.5 C
''
CAT TEMP B2S2
Catalyst temperature (Bank 1,
Sensor 2):
Min.: ±40, Max.: 6,513.5 C
''
INI COOL TEMPInitial engine coolant temperature:
Min.: ±40C, Max.: 140CClose to ambient air temperatureService data
INI INTAKE TEMPInitial intake air temperature:
Min.: ±40C, Max.: 140CClose to ambient air temperatureService data
INJ VOLInjection volume (cylinder 1):
Min.: 0 ml, Max.: 2.048 ml0 to 0.5 mlQuantity of fuel injection volume
for 10 times
STARTER SIGStarter signal: ON or OFFON: Cranking'
PS SWPower steering signal:
ON or OFFON: Power steering operation'
PS SIGNALPower steering signal:
ON or OFFON: When steering wheel first
turned after ignition switch turned
to ONThis signal status usually ON until
ignition switch turned to OFF
CTP SWClosed throttle position switch:
ON or OFFON: Throttle fully closed
OFF: Throttle open'
Page 250 of 4323
DI±56
± DIAGNOSTICSENGINE
250 Author: Date:
2005 SEQUOIA (RM1146U) VVT CTRL B1
Turn on and off OCV
(Oil Control Valve)ON/OFF
Engine stalls or idles roughly
when OCV turned ON
Normal engine running or idling
when OCV off
VVT CTRL B2Turn on and off OCV
(Oil Control Valve)ON/OFF
Engine stalls or idles roughly
when OCV turned ON
Normal engine running or idling
when OCV off
A/C CUT SIGControl A/C cut signalON/OFF±
FUEL PUMP/SPDActivate fuel pump (C/OPN Relay)ON/OFF±
TC/TE1Turn on and off TC and TE1 con-
nectionON/OFFON: TC and TE1 connected
OFF: TC and TE1 disconnected
FC IDL PROHBTProhibit idling fuel cut controlON/OFF±
ETCS OPEN SLOWThrottle actuatorON: throttle valve opens slowly
This test is possible when the fol-
lowing conditions are met:
Ignition switch ON
Engine does not start
Fully depressing accelerator ped-
al (APP: 58 degrees or more)
ETCS CLOSE SLOWThrottle actuatorON: throttle valve closes slowlySame as above
ETCS OPEN FASTThrottle actuatorON: throttle valve opens fastSame as above
ETCS CLOSE FASTThrottle actuatorON: throttle valve closes fastSame as above
FUEL CUT #1Cylinder #1 injector fuel cutON/OFFThis test is possible during vehicle
stopping and engine idling.
FUEL CUT #2Cylinder #2 injector fuel cutON/OFFSame as above
FUEL CUT #3Cylinder #3 injector fuel cutON/OFFSame as above
FUEL CUT #4Cylinder #4 injector fuel cutON/OFFSame as above
FUEL CUT #5Cylinder #5 injector fuel cutON/OFFSame as above
FUEL CUT #6Cylinder #6 injector fuel cutON/OFFSame as above
FUEL CUT #7Cylinder #7 injector fuel cutON/OFFSame as above
FUEL CUT #8Cylinder #8 injector fuel cutON/OFFSame as above
VENT VALVE (ALONE)Activate vent valve
(built into pump module)ON/OFF±
VCUUM PUMPActivate vacuum pump
(built into pump module)ON/OFF±
Page 255 of 4323
± DIAGNOSTICSENGINE
DI±61
255 Author: Date:
2005 SEQUOIA (RM1146U)P0171
(DI±165)
System too Lean (Bank 1)
Air induction system
Injector blockage
Mass air flow meter
Engine coolant temperature sensor
Fuel pressure
Gas leakage on exhaust system
Open or short in heated oxygen sensor (bank 1 sensor 1)
circuit
Heated oxygen sensor (bank 1 sensor 1)
Heated oxygen sensor heater
EFI relay
PCV piping
ECM
P0172
(DI±165)System too Rich (Bank 1)
Injector leak, blockage
Mass air flow meter
Engine coolant temperature sensor
Ignition system
Fuel pressure
Gas leakage in exhaust system
Open or short in heated oxygen sensor (bank 1 sensor 1)
circuit
Heated oxygen sensor (bank 1 sensor 1)
ECM
P0174
(DI±165)System too Lean (Bank 2)
Air induction system
Injector blockage
Mass air flow meter
Engine coolant temperature sensor
Fuel pressure
Gas leakage on exhaust system
Open or short in heated oxygen sensor (bank 2 sensor 1)
circuit
Heated oxygen sensor (bank 2 sensor 1)
Heated oxygen sensor heater
EFI relay
PCV piping
ECM
P0175
(DI±165)System too Rich (Bank 2)
Injector leak, blockage
Mass air flow meter
Engine coolant temperature sensor
Ignition system
Fuel pressure
Gas leakage in exhaust system
Open or short in heated oxygen sensor (bank 2 sensor 1)
circuit
Heated oxygen sensor (bank 2 sensor 1)
ECM
P0220
(DI±127)Throttle/Pedal Position Sensor/
Switch ºBº CircuitThrottle control motor and sensor
ECM
P0222
(DI±127)Throttle/Pedal Position Sensor/
Switch ºBº Circuit Low Input
Throttle control motor and sensor
Short in VTA2 circuit
Open in VC circuit
ECM
P0223
(DI±127)Throttle/Pedal Position Sensor/
Switch ºBº Circuit High Input
Throttle control motor and sensor
Open in VTA2 circuit
Open in E2 circuit
VC and VTA2 circuit are short±circuited
ECM
Page 256 of 4323
DI±62
± DIAGNOSTICSENGINE
256 Author: Date:
2005 SEQUOIA (RM1146U)P0230
(DI±179)
Fuel Pump Primary Circuit
Open or short in fuel pump relay circuit
Fuel pump relay
Circuit opening relay
Fuel pump
ECM
±
P0300
(DI±184)Random/Multiple Cylinder Misfire
Detected
Open or short in engine wire
Connector connection
Vacuum hose connection
Ignition system
Injector
Fuel pressure
Mass air flow meter
Engine coolant temperature sensor
Compression pressure
Valve clearance
Valve timing
PCV piping
ECM
*2
P0301
(DI±184)Cylinder 1 Misfire Detected
Open or short in engine wire
Connector connection
Vacuum hose connection
Ignition system
Injector
Fuel pressure
Mass air flow meter
Engine coolant temperature sensor
Compression pressure
Valve clearance
Valve timing
PCV piping
ECM
*2
P0302
(DI±184)Cylinder 2 Misfire Detected
Open or short in engine wire
Connector connection
Vacuum hose connection
Ignition system
Injector
Fuel pressure
Mass air flow meter
Engine coolant temperature sensor
Compression pressure
Valve clearance
Valve timing
PCV piping
ECM
*2
P0303
(DI±184)Cylinder 3 Misfire Detected
Open or short in engine wire
Connector connection
Vacuum hose connection
Ignition system
Injector
Fuel pressure
Mass air flow meter
Engine coolant temperature sensor
Compression pressure
Valve clearance
Valve timing
PCV piping
ECM
*2
Page 257 of 4323
± DIAGNOSTICSENGINE
DI±63
257 Author: Date:
2005 SEQUOIA (RM1146U)P0304
(DI±184)
Cylinder 4 Misfire Detected
Open or short in engine wire
Connector connection
Vacuum hose connection
Ignition system
Injector
Fuel pressure
Mass air flow meter
Engine coolant temperature sensor
Compression pressure
Valve clearance
Valve timing
PCV piping
ECM
*2
P0305
(DI±184)Cylinder 5 Misfire Detected
Open or short in engine wire
Connector connection
Vacuum hose connection
Ignition system
Injector
Fuel pressure
Mass air flow meter
Engine coolant temperature sensor
Compression pressure
Valve clearance
Valve timing
PCV piping
ECM
*2
P0306
(DI±184)Cylinder 6 Misfire Detected
Open or short in engine wire
Connector connection
Vacuum hose connection
Ignition system
Injector
Fuel pressure
Mass air flow meter
Engine coolant temperature sensor
Compression pressure
Valve clearance
Valve timing
PCV piping
ECM
*2
P0307
(DI±184)Cylinder 7 Misfire Detected
Open or short in engine wire
Connector connection
Vacuum hose connection
Ignition system
Injector
Fuel pressure
Mass air flow meter
Engine coolant temperature sensor
Compression pressure
Valve clearance
Valve timing
PCV piping
ECM
*2
Page 258 of 4323
DI±64
± DIAGNOSTICSENGINE
258 Author: Date:
2005 SEQUOIA (RM1146U)P0308
(DI±184)
Cylinder 8 Misfire Detected
Open or short in engine wire
Connector connection
Vacuum hose connection
Ignition system
Injector
Fuel pressure
Mass air flow meter
Engine coolant temperature sensor
Compression pressure
Valve clearance
Valve timing
PCV piping
ECM
*2
P0325
(DI±204)Knock Sensor 1 Circuit (Bank 1
or Single Sensor)Open or short in knock sensor 1 circuit
Knock sensor 1 (looseness)
ECM
P0327
(DI±204)Knock Sensor 1 Circuit Low In-
put (Bank 1 or Single Sensor)Short in knock sensor circuit
Knock sensor
ECM
P0328
(DI±204)Knock Sensor 1 Circuit High In-
put (Bank 1 or Single Sensor)Open in knock sensor circuit
Knock sensor
ECM
P0330
(DI±204)Knock Sensor 2 Circuit (Bank 2)
Open or short in knock sensor 2 circuit
Knock sensor 2 (looseness)
ECM
P0332
(DI±204)Knock Sensor 2 Circuit High In-
put (Bank 2)Open in knock sensor circuit
Knock sensor
ECM
P0333
(DI±204)Knock Sensor 2 Circuit High In-
put (Bank 2)Open in knock sensor circuit
Knock sensor
ECM
P0335
(DI±210)Crankshaft Position Sensor ºAº
Circuit
Open or short in crankshaft position sensor circuit
Crankshaft position sensor
Signal plate
ECM
P0339
(DI±210)Crankshaft Position Sensor ºAº
Circuit Intermittent
Open or short in crankshaft position sensor circuit
Crankshaft position sensor
Signal plate
ECM
±
P0340
(DI±216)Camshaft Position Sensor ºAº
Circuit (Bank 1 or Single Sensor)
Open or short in camshaft position sensor circuit
Camshaft position sensor
LH camshaft timing pulley
Jumping teeth of timing belt
ECM
P0341
(DI±216)Camshaft Position Sensor ºAº
Circuit Range/Performance
(Bank 1 or Single Sensor)
Open or short in camshaft position sensor circuit
Camshaft position sensor
LH camshaft timing pulley
Jumping teeth of timing belt
ECM
P0345
(DI±221)Camshaft Position Sensor ºAº
Circuit (Bank 2)Open or short in camshaft position sensor circuit
VVT sensor
ECM
P0346
(DI±221)Camshaft Position Sensor ºAº
Circuit Range/Performance
(Bank 2)Open or short in camshaft position sensor circuit
VVT sensor
ECM
Page 264 of 4323
DI±70
± DIAGNOSTICSENGINE
264 Author: Date:
2005 SEQUOIA (RM1146U)P2197
(DI±383)
Oxygen (A/F) Sensor Signal
Stuck Lean (Bank 2 Sensor 1)
Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
A/F sensor heater (sensor 1)
A/F relay
A/F sensor heater and EFI relay circuits
Air induction system
Fuel pressure
Injector
ECM
P2198
(DI±383)Oxygen (A/F) Sensor Signal
Stuck Rich (Bank 2 Sensor 1)
Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
A/F sensor heater (sensor 1)
A/F relay
A/F sensor heater and EFI relay circuits
Air induction system
Fuel pressure
Injector
ECM
P2238
(DI±402)Oxygen Sensor Pumping Cur-
rent Circuit Low (For A/F Sensor)
(Bank 1 Sensor 1)
Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
A/F sensor heater (sensor 1)
A/F relay
A/F sensor heater and EFI relay circuits
P2239
(DI±402)Oxygen Sensor Pumping Cur-
rent Circuit High (For A/F Sen-
sor) (Bank 1 Sensor 1)
Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
A/F sensor heater (sensor 1)
A/F relay
A/F sensor heater and EFI relay circuits
P2241
(DI±402)Oxygen Sensor Pumping Cur-
rent Circuit Low (For A/F Sensor)
(Bank 2 Sensor 1)
Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
A/F sensor heater (sensor 1)
A/F relay
A/F sensor heater and EFI relay circuits
P2242
(DI±402)Oxygen Sensor Pumping Cur-
rent Circuit High (For A/F Sen-
sor) (Bank 2 Sensor 1)
Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
A/F sensor heater (sensor 1)
A/F relay
A/F sensor heater and EFI relay circuits
P2252
(DI±402)Oxygen Sensor Reference
Ground Current Circuit Low (For
A/F Sensor) (Bank 1 Sensor 1)
Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
A/F sensor heater (sensor 1)
A/F relay
A/F sensor heater and EFI relay circuits
P2253
(DI±402)Oxygen Sensor Reference Cur-
rent Circuit High (For A/F Sen-
sor) (Bank 1 Sensor 1)
Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
A/F sensor heater (sensor 1)
A/F relay
A/F sensor heater and EFI relay circuits
P2255
(DI±402)Oxygen Sensor Reference
Ground Current Circuit Low (For
A/F Sensor) (Bank 2 Sensor 1)
Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
A/F sensor heater (sensor 1)
A/F relay
A/F sensor heater and EFI relay circuits
P2256
(DI±402)Oxygen Sensor Reference Cur-
rent Circuit High (For A/F Sen-
sor) (Bank 2 Sensor 1)
Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
A/F sensor heater (sensor 1)
A/F relay
A/F sensor heater and EFI relay circuits
Page 266 of 4323
DI±72
± DIAGNOSTICSENGINE
266 Author: Date:
2005 SEQUOIA (RM1146U)P2445
(DI±426)
Secondary Air Injection System
Pump Stuck On Bank 1
Air pump fuse
Vacuum hose
Air pump assembly
Open in air pump circuit
Air injection system piping
Pressure sensor
Open or short in pressure sensor circuit
ECM
P2610
(DI±442)ECM/PCM Internal Engine Off
Timer PerformanceECM
P2714
(DI±656)Pressure Control Solenoid ºDº
Performance (Shift Solenoid
Valve SLT)
Electronic control automatic transmission (ECT)
P2716
(DI±662)Pressure Control Solenoid ºDº
Electrical (Shift Solenoid Valve
SLT)
Electronic control automatic transmission (ECT)
P2740
(DI±666)Transmission Fluid Temperature
Sensor ºBº CircuitElectronic control automatic transmission (ECT)
P2742
(DI±666)Transmission Fluid Temperature
Sensor ºBº Circuit Low InputElectronic control automatic transmission (ECT)
2743
(DI±666)Transmission Fluid Temperature
Sensor ºBº Circuit High InputElectronic control automatic transmission (ECT)
P2757
(DI±672)
Torque Converter clutch Pres-
sure Control Solenoid Perfor-
mance (Shift Solenoid Valve
SLU)
Electronic control automatic transmission (ECT)
P2759
(DI±680)Torque Converter clutch Pres-
sure Control Solenoid Electrical
(Shift Solenoid Valve SLU)
Electronic control automatic transmission (ECT)
P2772
(DI±685)Transfer L4 SW CircuitElectronic control automatic transmission (ECT)
P2A00
(DI±451)A/F Sensor Circuit Slow Re-
sponse (Bank 1 Sensor 1)Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
ECM
P2A03
(DI±451)A/F Sensor Circuit Slow Re-
sponse (Bank 2 Sensor 1)Open or short in A/F sensor (sensor 1) circuit
A/F sensor (sensor 1)
ECM
B2799
(DI±1580)Engine Immobilizer System Mal-
functionImmobilizer system±
U0001
(DI±444)High Speed CAN Communica-
tion BusECM
*1: ± .... MIL does not light up. .... MIL lights up.
*2: MIL lights up or blinks.