2001 TOYOTA SEQUOIA sensor
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± 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 259 of 4323
± DIAGNOSTICSENGINE
DI±65
259 Author: Date:
2005 SEQUOIA (RM1146U)P0351
(DI±221)
Ignition Coil ºAº Primary/Second-
ary Circuit
Open or short in IGF 1 and IGT 1 circuit from No. 1 ignition coil
with igniter to ECM
No. 1 ignition coil with igniter
Ignition system
ECM
P0352
(DI±221)Ignition Coil ºBº Primary/Second-
ary Circuit
Open or short in IGF 2 and IGT 2 circuit from No. 2 ignition coil
with igniter to ECM
No. 2 ignition coil with igniter
Ignition system
ECM
P0353
(DI±221)Ignition Coil ºCº Primary/Second-
ary Circuit
Open or short in IGF 2 and IGT 3 circuit from No. 3 ignition
coil with igniter to ECM
No. 3 ignition coil with igniter
Ignition system
ECM
P0354
(DI±221)Ignition Coil ºDº Primary/Second-
ary Circuit
Open or short in IGF 1 and IGT 4 circuit from No. 4 ignition coil
with igniter to ECM
No. 4 ignition coil with igniter
Ignition system
ECM
P0355
(DI±221)Ignition Coil ºEº Primary/Second-
ary Circuit
Open or short in IGF 2 and IGT 5 circuit from No. 5 ignition coil
with igniter to ECM
No. 5 ignition coil with igniter
Ignition system
ECM
P0356
(DI±221)Ignition Coil ºFº Primary/Second-
ary Circuit
Open or short in IGF 1 and IGT 6 circuit from No. 6 ignition coil
with igniter to ECM
No. 6 ignition coil with igniter
Ignition system
ECM
P0357
(DI±221)Ignition Coil ºGº Primary/Second-
ary Circuit
Open or short in IGF 1 and IGT 7 circuit from No. 7 ignition coil
with igniter to ECM
No. 7 ignition coil with igniter
Ignition system
ECM
P0358
(DI±221)Ignition Coil ºHº Primary/Second-
ary Circuit
Open or short in IGF 2 and IGT 8 circuit from No. 8 ignition coil
with igniter to ECM
No. 8 ignition coil with igniter
Ignition system
ECM
P0412
(DI±234)Air Injection System Air Switch-
ing Valve Malfunction
Open in air switching valve drive circuit
Short between air switching valve circuit and +B circuit
Air injection driver
ECM
P0418
(DI±242)Air Injection System Air Pump
Malfunction
Open in air pump drive circuit
Short between air pump circuit and +B circuit
Air injection driver
ECM
P0420
(DI±249)Catalyst System Efficiency Be-
low Threshold (Bank 1)Gas leakage on exhaust system
Heated oxygen sensor (bank 1 sensor 1, 2)
Three±way catalytic converter
P0430
(DI±249)Catalyst System Efficiency Be-
low Threshold (Bank 2)Gas leakage on exhaust system
Heated oxygen sensor (bank 2 sensor 1, 2)
Three±way catalytic converter
Page 260 of 4323
DI±66
± DIAGNOSTICSENGINE
260 Author: Date:
2005 SEQUOIA (RM1146U)P043E
(DI±445)
Evaporate Emission System
Reference Orifice Clog UpPump module
P043F
(DI±445)Evaporate Emission System
Reference Orifice High FlowPump module
P0441
(DI±257)Evaporative Emission Control
System Incorrect Purge Flow
Purge valve
Purge valve circuit (between purge valve and ECM)
Leakage from EVAP line (between purge valve and intake
manifold)
EVAP line (between purge valve and canister) clogged
ECM
P0450
(DI±264)Evaporative Emission Control
System Pressure Sensor/Switch
[Fuel Tank Pressure Sensor]
Pump module (including pressure sensor)
P0451
(DI±264)Evaporative Emission Control
System Pressure Sensor/Switch
Range/Performance
Pump module (including pressure sensor)
P0452
(DI±264)Evaporative Emission Control
System Pressure Sensor/Switch
Low InputPump module (including pressure sensor)
Connector/Wire harness (between pump module and ECM)
ECM
P0453
(DI±264)Evaporative Emission Control
System Pressure Sensor/Switch
High InputPump module (include pressure sensor)
Connector/Wire harness (between pump module and ECM)
ECM
P0455
(DI±273)Evaporative Emission Control
System Leak Detected (Gross
Leak)
Fuel tank cap (loose)
Leakage from EVAP line (between canister and fuel tank)
Leakage from EVAP line (between purge valve and canister)
Leakage from pump module
Leakage from fuel tank
Leakage from canister
P0456
(DI±273)Evaporative Emission Control
System Leak Detected (Very
Small Leak)
Same as DTC No. P0445
P0500
(DI±278)Vehicle Speed Sensor ºAº
Combination meter
Open or short in vehicle speed sensor circuit
Vehicle speed sensor
ECM
P0503
(DI±278)Vehicle Speed Sensor ºAº Inter-
mittent/Erratic/High
Combination meter
Open or short in vehicle speed sensor circuit
Vehicle speed sensor
ECM
±
P0504
(DI±283)Brake Switch ºAº/ºBº Correlation
Short in stop lamp switch signal circuit
STOP fuse
Stop lamp switch
ECM
±
P0505
(DI±288)Idle Air Control System
Air induction system
Electric throttle control system
PCV hose connection
P0560
(DI±292)System Voltage
Back±up power source circuit
EFI No. 1 fuse
ECM
P0604
(DI±296)Internal Control Module Random
Access Memory (RAM) ErrorECM
P0606
(DI±296)ECM/PCM ProcessorECM
P0607
(DI±296)Control Module PerformanceECM
Page 261 of 4323
± DIAGNOSTICSENGINE
DI±67
261 Author: Date:
2005 SEQUOIA (RM1146U)P0617
(DI±298)
Starter Relay Circuit High
Park/neutral position switch
Starter relay circuit
Ignition switch
ECM
P0630
(DI±302)VIN not Programmed or Mis-
match±ECM/PCMECM
P0657
(DI±296)Actuator Supply Voltage Circuit/
OpenECM
P0705
(DI±576)Transmission Range Sensor Cir-
cuit Malfunction (PRNDL Input)Electronic Controlled Automatic Transaxle (ECT)
P0710
(DI±582)Transmission Fluid Temperature
Sensor ºAº CircuitElectronic control automatic transmission (ECT)
P0711
(DI±588)Transmission Fluid Temperature
Sensor ºAº PerformanceElectronic control automatic transmission (ECT)
P0712
(DI±582)Transmission Fluid Temperature
Sensor ºAº Circuit Low InputElectronic control automatic transmission (ECT)
P0713
(DI±582)Transmission Fluid Temperature
Sensor ºAº Circuit High InputElectronic control automatic transmission (ECT)
P0717
(DI±591)Input/Turbine Speed Sensor ºAº
Circuit No SignalElectronic control automatic transmission (ECT)
P0722
(DI±596)Output Speed Sensor Circuit No
SignalElectronic control automatic transmission (ECT)
P0724
(DI±600)Brake Switch ºBº Circuit HighElectronic control automatic transmission (ECT)
P0748
(DI±603)Pressure Control Solenoid ºAº
Electrical (Shift Solenoid Valve
SL1)
Electronic control automatic transmission (ECT)
P0751
(DI±608)Shift Solenoid ºAº Performance
(Shift Solenoid Valve S1)Electronic control automatic transmission (ECT)
P0756
(DI±614)Shift Solenoid ºBº Performance
(Shift Solenoid Valve S2)Electronic control automatic transmission (ECT)
P0771
(DI±620)Shift Solenoid ºEº Performance
(Shift Solenoid Valve SR)Electronic control automatic transmission (ECT)
P0776
(DI±625)Pressure Control Solenoid ºBº
Performance (Shift Solenoid
Valve SL2)
Electronic control automatic transmission (ECT)
P0778
(DI±631)Pressure Control Solenoid ºBº
Electrical (Shift Solenoid Valve
SL2)
Electronic control automatic transmission (ECT)
P0781
(DI±636)1±2 Shift (1±2 Shift Valve)Electronic control automatic transmission (ECT)
P0973
(DI±641)Shift Solenoid ºAº Control Circuit
Low (Shift solenoid Valve S1)Electronic control automatic transmission (ECT)
P0974
(DI±641)Shift Solenoid ºAº Control Circuit
High (Shift solenoid Valve S1)Electronic control automatic transmission (ECT)
P0976
(DI±646)Shift Solenoid ºBº Control Circuit
Low (Shift solenoid Valve S2)Electronic control automatic transmission (ECT)
P0977
(DI±646)Shift Solenoid ºBº Control Circuit
High (Shift solenoid Valve S2)Electronic control automatic transmission (ECT)
P0985
(DI±651)Shift Solenoid ºEº Control Circuit
Low (Shift Solenoid Valve SR)Electronic control automatic transmission (ECT)
Page 262 of 4323
DI±68
± DIAGNOSTICSENGINE
262 Author: Date:
2005 SEQUOIA (RM1146U)P0986
(DI±651)
Shift Solenoid ºEº Control Circuit
High (Shift Solenoid Valve SR)Electronic control automatic transmission (ECT)
P1340
(DI±304)Camshaft Position Sensor ºAº
Circuit (Bank 1 Sensor 2)
Open or short in camshaft position sensor circuit
Camshaft position sensor
LH camshaft timing pulley
ECM
P1341
(DI±304)Camshaft Position Sensor ºAº
Circuit Range/Performance
(Bank 1 Sensor 2)Open or short in camshaft position sensor circuit
Camshaft position sensor
LH camshaft timing pulley
ECM
P1440
(DI±309)Scondary Air Injection System
Control Valve Circuit Bank 1Open or short in VSV for air injection control circuit
ECM
P1441
(DI±314)Scondary Air Injection System
Switching Valve No.2 Bank 1
Stuck OpenVSV for air injection control circuit (Bank 1)
Air switching valve No.2 (Bank 1)
VSV for air injection system (Bank 1)
ECM
P1442
(DI±330)Scondary Air Injection System
Switching Valve No.2 Bank 1
Stuck Close
VSV for air injection control circuit (Bank 1)
Vacuum hose (VSV for air injection control ± air switching
valve No.2)
Air injector pipe (Air switching valve No.2 ± exhaust manifold)
Air switching valve No.2 (Bank 1)
VSV for air injection control (Bank 1)
ECM
P1443
(DI±309)Scondary Air Injection System
Control Valve Circuit Bank 2Open or short in VSV for air injection control circuit
ECM
P1444
(DI±314)Scondary Air Injection System
Switching Valve No.2 Bank 2
Stuck OpenVSV for air injection control circuit (Bank 2)
Air switching valve No.2 (Bank 2)
VSV for air injection system (Bank 2)
ECM
P1445
(DI±330)Scondary Air Injection System
Switching Valve No.2 Bank 2
Stuck Cloes
VSV for air injection control circuit (Bank 2)
Vacuum hose (VSV for air injection control ± air switching
valve No.2)
Air injector pipe (Air switching valve No.2 ± exhaust manifold)
Air switching valve No.2 (Bank 2)
VSV for air injection control (Bank 2)
ECM
P1613
(DI±343)Air Injection System Air Injection
Driver
Short between air pump circuit and body ground
Open in air pump drive circuit
Short between air pump circuit and +B circuit
Air injection driver
ECM
P2102
(DI±354)Throttle Actuator Control Motor
Circuit LowOpen in throttle control motor and sensor circuit
Throttle control motor and sensor
ECM
P2103
(DI±354)Throttle Actuator Control Motor
Circuit High
Short in throttle control motor and sensor circuit
Throttle control motor and sensor
Throttle valve
Throttle body
ECM
P2111
(DI±358)Throttle Actuator Control System
± Stuck Open
Throttle control motor and sensor circuit
Throttle control motor and sensor
Throttle valve
Throttle body
Page 263 of 4323
± DIAGNOSTICSENGINE
DI±69
263 Author: Date:
2005 SEQUOIA (RM1146U)P2112
(DI±358)
Throttle Actuator Control System
± Stuck Closed
Throttle control motor and sensor circuit
Throttle control motor and sensor
Throttle valve
Throttle body
P2118
(DI±362)Throttle Actuator Control Motor
Current Range/PerformanceOpen in throttle control motor and sensor power source circuit
ETCS fuse
ECM
P2119
(DI±367)Throttle Actuator Control Throttle
Body Range/PerformanceElectric throttle control system
Throttle body
P2120
(DI±370)Throttle/Pedal Position Sensor/
Switch ºDº CircuitAccelerator pedal position sensor
ECM
P2121
(DI±380)Throttle/Pedal Position Sensor/
Switch ºDº Circuit Range/Perfor-
mance
Accelerator pedal position sensor
P2122
(DI±370)Throttle/Pedal Position Sensor/
Switch ºDº Circuit Low Input
Accelerator pedal position sensor
VCPA circuit open
VPA circuit open or ground short
ECM
P2123
(DI±370)Throttle/Pedal Position Sensor/
Switch ºDº Circuit High InputAccelerator pedal position sensor
EPA circuit open
ECM
P2125
(DI±370)Throttle/Pedal Position Sensor/
Switch ºEº CircuitAccelerator pedal position sensor
ECM
P2127
(DI±370)Throttle/Pedal Position Sensor/
Switch ºEº Circuit Low Input
Accelerator pedal position sensor
VCP2 circuit open
VPA2 circuit open or ground short
ECM
P2128
(DI±370)Throttle/Pedal Position Sensor/
Switch ºEº Circuit High InputAccelerator pedal position sensor
EPA circuit open
ECM
P2135
(DI±127)Throttle Pedal Position Sensor/
Switch ºAº / ºBº Voltage Correla-
tionThrottle control motor and sensor
VTA1 and VTA2 circuit are short±circuited
ECM
P2138
(DI±370)Throttle Pedal Position Sensor/
Switch ºDº / ºEº Voltage Correla-
tionVPA and VPA2 circuit are short circuited
Accelerator pedal position sensor
ECM
P2195
(DI±383)Oxygen (A/F) Sensor Signal
Stuck Lean (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
Air induction system
Fuel pressure
Injector
ECM
P2196
(DI±383)Oxygen (A/F) Sensor Signal
Stuck Rich (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
Air induction system
Fuel pressure
Injector
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