Corolla 2006-2007

1.8L L4 VIN - Std 5

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Trouble Code: P0452



EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR/SWITCH LOW INPUT

Possible Causes:



Pump module
 
Connector/Wire harness (Pump module - ECM)
 
ECM
 

Trouble Code: P0452



Evaporative Emission Control System Pressure Sensor / Switch Low Input

Possible Causes:



Canister pump module
 
Connector/wire harness (Canister pump module - ECM)
 
EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
 
ECM
 

Trouble Code: P0453



EVAPORATIVE EMISSION CONTROL SYSTEM PRESSURE SENSOR/SWITCH HIGH INPUT

Possible Causes:



Pump module
 
Connector/Wire harness (Pump module - ECM)
 
ECM
 

Trouble Code: P0453



Evaporative Emission Control System Pressure Sensor / Switch High Input

Possible Causes:



Canister pump module
 
Connector/wire harness (Canister pump module - ECM)
 
EVAP system hose (pipe from air inlet port to canister pump module, canister filter, fuel tank vent hose)
 
ECM
 

Trouble Code: P0455



Evaporative Emission Control System Leak Detected (Gross Leak)

Possible Causes:



Fuel tank cap (loose)
 
Leakage from EVAP line(Canister -Fuel tank)
 
Leakage from EVAP line (Purge VSV -Canister)
 
Pump module
 
Leakage from fuel tank
 
Leakage from canister
 

Trouble Code: P0456



Evaporative Emission Control System Leak Detected (Very Small Leak)

Possible Causes:



Fuel tank cap (loose)
 
Leak from EVAP line (Canister - Fuel tank)
 
Leak from EVAP line (Purge VSV - Canister)
 
Canister pump module
 
Leak from fuel tank
 
Leak from canister
 

Trouble Code: P0500



Vehicle Speed Sensor Circuit Malfunction

Possible Causes:



VSS signal circuit is open between the meter and the PCM
 
VSS signal circuit shorted to ground between meter and PCM
 
VSS No. 1 is damaged or has failed
 
Combination Meter is damaged or has failed
 
PCM has failed
 

Trouble Code: P0504



Brake Switch "A" / "B" Correlation

Possible Causes:



Short in stop light switch
 
signal circuit
 
STOP fuse
 
Stop light switch
 
ECM
 

Trouble Code: P0505



Idle Control System Malfunction

Possible Causes:



Air Induction system leaks (check for intake manifold leaks)
 
Air leaks in the PCV system (at the valve or its related hoses)
 
Throttle body assembly is damaged or has failed
 
PCM has failed
 

Trouble Code: P0511



Idle Air Control Circuit

Possible Causes:



Open or short in IAC valve circuit
 
IAC valve stuck or closed
 
ECM
 

Trouble Code: P0560



System Voltage (Backup Power Circuit) Malfunction

Possible Causes:



Battery backup circuit is open between battery and the PCM
 
PCM has failed
 

Trouble Code: P0601



Internal Control Module Memory Check Sum Error

Possible Causes:



ECM
 

Trouble Code: P0604



Internal Control Module Random Access Memory (RAM) Error

Possible Causes:



ECM
 

Trouble Code: P0606



ECM / PCM Processor

Possible Causes:



ECM
 

Trouble Code: P0606



ECM / PCM Processor

Possible Causes:



ECM
 

Trouble Code: P0607



Control Module Performance

Possible Causes:



Exhaust gas leak
 
Heated oxygen sensor
 
ECM
 

Trouble Code: P0617



Starter Relay Circuit High

Possible Causes:



Clutch start switch
 
Starter relay circuit
 
Ignition switch
 
ECM
 

Trouble Code: P0617



Starter Relay Circuit High

Possible Causes:



Park/Neutral Position (PNP) switch (A/T*)
 
Clutch start switch (M/T*)
 
Starter relay circuit
 
Ignition switch
 
ECM
 

Trouble Code: P0630



VIN not Programmed or Mismatch - ECM / PCM

Possible Causes:



ECM
 

Trouble Code: P0657



Actuator Supply Voltage Circuit / Open

Possible Causes:



ECM
 

Trouble Code: P0724



Brake Switch "B" Circuit High

Possible Causes:



Short in stop light switch signal circuit
 
Stop light switch
 
ECM
 

Trouble Code: P0751



SHIFT SOLENOID -A- PERFORMANCE (SHIFT SOLENOID VALVE S1)

Possible Causes:



Shift solenoid valve S1 remains open or closed
 
Valve body is blocked
 
Shift solenoid valve S1
 
Automatic transaxle (clutch, brake or gear etc.)
 
ECM
 

Trouble Code: P0756



SHIFT SOLENOID -B- PERFORMANCE (SHIFT SOLENOID VALVE S2)

Possible Causes:



Shift solenoid valve S2 remains open or closed
 
Valve body is blocked
 
Shift solenoid valve S2
 
Automatic transaxle (clutch, brake or gear etc.)
 
ECM
 

Trouble Code: P0850



Park / Neutral Switch Input Circuit

Possible Causes:



Open or short in park/neutral position switch circuit
 
Park/neutral position switch
 
ECM
 

Trouble Code: P0973



Shift Solenoid -A- Control Circuit Low (Shift Solenoid Valve S1)

Possible Causes:



Short in shift solenoid valve S1 circuit
 
Shift solenoid valve S1
 
ECM
 

Trouble Code: P0974



Shift Solenoid -A- Control Circuit High (Shift Solenoid Valve S1)

Possible Causes:



Open in shift solenoid valve S1 circuit
 
Shift solenoid valve S1
 
ECM
 

Trouble Code: P0976



Shift Solenoid -B- Control Circuit Low (Shift Solenoid Valve S2)

Possible Causes:



Short in shift solenoid valve S2 circuit
 
Shift solenoid valve S2
 
ECM
 

Trouble Code: P0977



SHIFT SOLENOID -B- CONTROL CIRCUIT HIGH (SHIFT SOLENOID VALVE S2)

Possible Causes:



Open in shift solenoid valve S2 circuit
 
Shift solenoid valve S2
 
ECM
 

Trouble Code: P1300



Igniter No. 1 Circuit Malfunction

Possible Causes:



IGT or IGF1 signal circuit is open between the igniter and PCM
 
IGT or IGF1 signal circuit is shorted to ground
 
Igniter is damaged or has failed
 
PCM has failed
 

Trouble Code: P1305



Igniter No. 2 Circuit Malfunction

Possible Causes:



IGT or IGF2 signal circuit is open between the igniter and PCM
 
IGT or IGF2 signal circuit is shorted to ground
 
Igniter is damaged or has failed
 
PCM has failed
 

Trouble Code: P1310



Igniter No. 3 Circuit Malfunction

Possible Causes:



IGT or IGF3 signal circuit is open between the igniter and PCM
 
IGT or IGF3 signal circuit is shorted to ground
 
Igniter is damaged or has failed
 
PCM has failed
 

Trouble Code: P1315



Igniter No. 4 Circuit Malfunction

Possible Causes:



IGT or IGF4 signal circuit is open between the igniter and PCM
 
IGT or IGF4 signal circuit is shorted to ground
 
Igniter is damaged or has failed
 
PCM has failed
 

Trouble Code: P1335



Crankshaft Position Sensor Circuit Malfunction

Possible Causes:



CKP sensor (+) circuit is open or shorted to ground
 
CKP sensor (-) circuit is open or shorted to ground
 
CKP sensor (+), (-) circuit is shorted to VREF or system power
 
CKP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1346



Variable Valve Timing, CMP Sensor Range/Performance

Possible Causes:



Worn timing belt (i.e., the belt may be skipping teeth)
 
PCM has failed
 

Trouble Code: P1349



Variable Valve Timing System (Bank 1)

Possible Causes:



Oil control valve is damaged or has failed
 
Valve timing is not correct
 
PCM has failed
 

Trouble Code: P1520



Stop Light Switch Circuit Malfunction

Possible Causes:



Stop light switch is shorted to ground
 
Stop light switch is damaged or has failed
 
PCM has failed
 

Trouble Code: P1600



PCM Battery Backup Circuit Malfunction

Possible Causes:



Battery backup circuit is open (check EFI fuse and fuse link)
 
Battery terminals are corroded or loose
 
PCM has failed
 

Trouble Code: P1645



Body ECU Malfunction

Possible Causes:



A/C ECU had failed (no communication fault)
 
Body Control ECU has failed (no communication fault)
 
Communication data bus circuit is open or shorted to ground
 
Communication data bus circuit is shorted to system power
 

Trouble Code: P1656



Oil Control Valve Circuit Malfunction (Bank 1)

Possible Causes:



OCV signal (+) circuit is open or shorted to ground
 
OCV signal (-) circuit is open or shorted to ground
 
OCV (valve) is damaged or has failed
 
PCM has failed
 

Trouble Code: P1690



Oil Control Valve Circuit Malfunction

Possible Causes:



OCV (valve) signal (+) or (-) circuit is open or shorted to ground
 
OCV (valve) signal circuit is shorted to VREF or system power
 
OCV (valve) is damaged or has failed
 
PCM had failed
 

 
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