Lexus Car ES, IS, LS 1998-06

3.0L V6 VIN F Auto 2

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Trouble Code: P0340



Camshaft Position Sensor Circuit Malfunction

Possible Causes:



CMP sensor signal circuit is open or shorted to ground
 
CMP sensor signal ground circuit is open
 
CMP sensor signal is shorted to VREF or system power
 
CMP sensor is damaged or has failed
 
PCM has failed
 
TSB EG010-02 (4/02) contains information related to this code
 

Trouble Code: P0345



Camshaft Position Sensor 'A' Signal Range/Performance

Possible Causes:



VVT sensor signal circuit is open, shorted to ground or power
 
VVT sensor pulley is damaged, or timing belt has jumped teeth
 
VVT sensor has failed, or the PCM has failed
 

Trouble Code: P0346



Camshaft Position Sensor 'A' Signal Range/Performance

Possible Causes:



VVT sensor signal circuit is open, shorted to ground or power
 
VVT sensor pulley is damaged, or timing belt has jumped teeth
 
VVT sensor had failed, or the PCM has failed
 

Trouble Code: P0351



Ignition Coil No. 1 Primary/Secondary Circuit Malfunction

Possible Causes:



IGT1 circuit is open or shorted to ground
 
Ignition Coil No. 1 is damaged or it has failed
 
Problem present in the Ignition System
 
PCM has failed
 

Trouble Code: P0352



Ignition Coil No. 2 Primary/Secondary Circuit Malfunction

Possible Causes:



IGT2 circuit is open or shorted to ground
 
Ignition Coil No. 2 is damaged or it has failed
 
Problem present in the Ignition System
 
PCM has failed
 

Trouble Code: P0353



Ignition Coil No. 3 Primary/Secondary Circuit Malfunction

Possible Causes:



IGT3 circuit is open or shorted to ground
 
Ignition Coil No. 3 is damaged or it has failed
 
Problem present in the Ignition System
 
PCM has failed
 

Trouble Code: P0354



Ignition Coil No. 4 Primary/Secondary Circuit Malfunction

Possible Causes:



IGT4 circuit is open or shorted to ground
 
Ignition Coil No. 4 is damaged or it has failed
 
Problem present in the Ignition System
 
PCM has failed
 

Trouble Code: P0355



Ignition Coil No. 5 Primary/Secondary Circuit Malfunction

Possible Causes:



IGT5 circuit is open or shorted to ground
 
Ignition Coil No. 5 is damaged or it has failed
 
Problem present in the Ignition System
 
PCM has failed
 

Trouble Code: P0356



Ignition Coil No. 6 Primary/Secondary Circuit Malfunction

Possible Causes:



IGT6 circuit is open or shorted to ground
 
Ignition Coil No. 6 is damaged or it has failed
 
Problem present in the Ignition System
 
PCM has failed
 

Trouble Code: P0401



EGR System Insufficient Flow Detected

Possible Causes:



EGR gas temperature sensor circuit open or shorted to VREF
 
EGR gas temperature sensor is damaged or has failed
 
EGR valve is stuck in closed position
 
EGR valve vacuum hose is disconnected or leaking
 

Trouble Code: P0402



Excessive EGR Flow Detected

Possible Causes:



EGR gas temperature sensor circuit open or shorted to ground
 
EGR gas temperature sensor is damaged or has failed
 
EGR Vacuum Switching Valve (VSV) is damaged or has failed
 
EGR valve stuck partially or EGR valve stuck fully open
 
EGR VSV control circuit is open or shorted to system power
 
PCM has failed
 

Trouble Code: P0420



Catalyst Efficiency Below Normal (Bank 1)

Possible Causes:



Air leaks at the exhaust manifold or in the exhaust pipes
 
Catalytic converter is damaged, contaminated or has failed
 
Front HO2S or rear HO2S is contaminated with fuel or moisture
 
Front HO2S or the rear HO2S is loose in its mounting hole
 
Front HO2S is older (aged) than the rear HO2S (HO2S is lazy)
 

Trouble Code: P0430



Catalyst Efficiency Below Normal (Bank 2)

Possible Causes:



Catalytic converter is damaged, contaminated or has failed
 
Front A/FS or rear HO2S is contaminated with fuel or moisture
 
Front A/FS or the rear HO2S is loose in its mounting hole
 
Front A/FS is older (aged) than the rear HO2S (HO2S is lazy)
 
Gas leaks at the exhaust manifold or in the exhaust pipes
 

Trouble Code: P0440



EVAP Control System Large Leak (0.080") Detected

Possible Causes:



Charcoal canister is clogged, loaded with fuel or with moisture
 
Fuel filler cap missing, loose (not tightened) or the wrong part
 
Fuel tank over-fill check valve cracked or damaged
 
Fuel tank seal leaking, fuel tank cracked or damaged/leaking
 
Fuel vapor hoses/tubes blocked or restricted, or fuel vapor control valve tube or fuel vapor vent valve assembly blocked
 
Vacuum hose or tubing cracked, damaged or disconnected
 
Vapor Pressure sensor incorrectly installed
 
PCM has failed
 

Trouble Code: P0441



EVAP System Incorrect Purge Flow Detected

Possible Causes:



Charcoal canister is clogged, loaded with fuel or with moisture
 
Fuel tank over-fill check valve cracked or damaged
 
Fuel tank seal leaking, fuel tank cracked or damaged/leaking
 
Fuel vapor hoses/tubes blocked or restricted, or fuel vapor control valve tube or fuel vapor vent valve assembly blocked
 
Vacuum hose or tubing cracked, damaged or disconnected
 
Vapor pressure sensor is damaged or has failed
 
VSV circuit for the canister purge, VSV for the CCV or the VSV for the pressure switching valve is open or shorted to ground
 
VSV for the vapor pressure sensor circuit is open or shorted to ground, or the vapor pressure sensor is damaged or has failed
 

Trouble Code: P0442



EVAP System Small Leak (0.040") Detected

Possible Causes:



Canister Purge valve is damaged, leaking or has failed
 
Charcoal canister is loaded with fuel or moisture
 
Fuel filler cap loose, cross-threaded, incorrect part or damaged
 
Fuel tank is cracked (leaking), or a leak exists in the 'O' ring
 
Fuel tank pressure sensor is damaged or has failed
 
Fuel vapor line(s), fuel pipes or hoses damaged or leaking
 
PCM has failed
 

Trouble Code: P0450



EVAP Vapor Pressure Sensor Circuit Malfunction

Possible Causes:



Vapor pressure sensor signal circuit open or shorted to ground
 
Vapor pressure sensor ground circuit is open
 
Vapor pressure sensor power circuit is open
 
Vapor pressure sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0451



EVAP Vapor Pressure Sensor Range/Performance

Possible Causes:



Vapor pressure sensor vacuum hoses loose or damaged
 
Vapor pressure sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0500



Vehicle Speed Sensor Circuit Malfunction

Possible Causes:



VSS signal circuit is open, shorted to ground or to power (B+)
 
Combination Meter is damaged or has failed
 
PCM has failed
 
TSB EG004-02 (2/02) contains information related to this code
 

Trouble Code: P0505



Idle Control System Malfunction

Possible Causes:



RSC/RSO connector is damaged, open or shorted
 
RSC or RSO control circuit is open, shorted to ground or power
 
RSO or RSO power circuit is open (test power from EFI relay)
 
IAC valve is contaminated
 

Trouble Code: P0511



Idle Control Valve Circuit Malfunction

Possible Causes:



IAC valve connector is damaged or loose
 
IAC valve control circuit is open, shorted to ground or power
 
IAC valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P0513



Unmatched Key Code Detected

Possible Causes:



An unmatched ignition key was inserted
 

Trouble Code: P0705



A/T Range Sensor Circuit (PRNDL) Malfunction

Possible Causes:



Park/Neutral switch assembly is shorted
 
Park/Neutral switch assembly is damaged or has failed
 
PCM has failed.
 

Trouble Code: P0710



Transmission Fluid Temperature Sensor Circuit Malfunction

Possible Causes:



TFT sensor signal circuit is open, shorted to ground or shorted to system power
 
TFT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0711



Transmission Fluid Temperature Sensor Performance

Possible Causes:



TFT sensor signal circuit or ground circuit has high resistance
 
TFT sensor has failed, or the PCM has failed
 

Trouble Code: P0717



A/T Input Shaft Speed Sensor 'A' Circuit No Signal

Possible Causes:



Direct clutch connector is damaged (it may be open or shorted)
 
Direct clutch sensor signal circuit is open or shorted
 
Direct clutch speed sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0724



A/T Torque Converter Clutch Shift Solenoid Performance

Possible Causes:



Lockup clutch solenoid is damaged or has failed* Shift solenoid SL is damaged or has failed (mechanical fault)
 
Shift solenoid SL is stuck in "on" or "off" position
 
Valve body is blocked or stuck
 

Trouble Code: P0743



A/T Torque Converter Clutch Shift Solenoid Circuit Malfunction

Possible Causes:



Shift solenoid SL connector is damaged or loose
 
Shift solenoid SL control circuit is open or shorted to ground
 
Shift solenoid SL is damaged or has failed (electrical fault)
 
PCM has failed
 

Trouble Code: P0750



A/T Shift Solenoid 1 or 'A' Malfunction (Mechanical)

Possible Causes:



A/T component problems (i.e., in clutch, brake or gears)
 
SS1 or SSA is damaged, stuck "open" or stuck "closed"
 
Transmission valve body is clogged, dirty or stuck
 

Trouble Code: P0751



A/T Shift Solenoid 'A' Signal Range/Performance

Possible Causes:



SSA control circuit is open or shorted to ground
 
SSA control circuit is shorted to system power (B+)
 
SSA is damaged or has failed (an electrical fault)
 
PCM has failed
 

Trouble Code: P0753



A/T Shift Solenoid 1 or 'A' Circuit Malfunction

Possible Causes:



SS1 or SSA control circuit is open, shorted to ground or shorted to system power (B+)
 
SS1 or SSA has failed, or the PCM has failed
 

Trouble Code: P0755



A/T Shift Solenoid 'B' Malfunction (Mechanical)

Possible Causes:



A/T component problems (i.e., in clutch, brake or gears)
 
SSB is damaged, stuck "open" or stuck "closed"
 
Transmission valve body is clogged, dirty or stuck
 

Trouble Code: P0756



A/T Shift Solenoid 'B' Signal Range/Performance

Possible Causes:



SSB control circuit is open, shorted to ground or to power (B+)
 
SSB is damaged or has failed (an electrical fault)
 
PCM has failed
 

Trouble Code: P0758



A/T Shift Solenoid 2 or 'B' Circuit Malfunction

Possible Causes:



SS2 or SSB control circuit is open or shorted to ground
 
SS2or SSB control circuit is shorted to system power (B+)
 
SS2 or SSB is damaged or has failed (an electrical fault)
 
PCM has failed
 

Trouble Code: P0770



A/T Shift Solenoid 'E' (SL) Malfunction (Mechanical)

Possible Causes:



A/T component problems (i.e., in clutch, brake or gears)
 
SL (shift lockup) is damaged, stuck "open" or stuck "closed"
 
Transmission valve body is clogged, dirty or stuck
 

Trouble Code: P0773



A/T Shift Solenoid 'E' (SL) Circuit Malfunction

Possible Causes:



SL control circuit is open or shorted to ground
 
SL control circuit is shorted to system power (B+)
 
SL is damaged or has failed (an electrical fault)
 
PCM has failed
 

Trouble Code: P0850



A/T Park/Neutral Switch Circuit Malfunction

Possible Causes:



Park/Neutral switch assembly is shorted*Park/Neutral switch assembly is damaged or has failed
 
PCM has failed.
 

Trouble Code: P1130



A/F Sensor-11 (Bank 1 Sensor 1) Circuit Malfunction

Possible Causes:



A/FS signal circuit or ground circuit is open (intermittent fault)
 
A/FS is contaminated, damaged or has failed
 
PCM has failed
 

Trouble Code: P1133



A/F Sensor-11 (Bank 1 Sensor 1) Slow Response

Possible Causes:



A/F sensor signal circuit or ground circuit is open
 
A/F sensor power circuit is open
 
A/F sensor is contaminated, damaged or has failed
 
Intake air leaks, exhaust manifold leaks or PCV system leaks
 
MAF sensor out of calibration (it may be dirty or contaminated)
 
PCM has failed
 

Trouble Code: P1135



A/F Sensor-11 (Bank 1 Sensor 1) Heater Circuit Malfunction

Possible Causes:



A/F sensor heater circuit or ground circuit is open
 
A/F sensor heater power circuit is open
 
A/F sensor heater is damaged or has failed
 
PCM has failed
 

 
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