Corolla 2006-2007

1.8L L4 VIN R Std 6

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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
 

Trouble Code: P1692



Oil Control Valve Circuit Malfunction (Open)

Possible Causes:



OCV (valve) connector is damaged or open
 
OCV (valve) control circuit is open
 
Oil control valve for the VVTL is damaged or has failed
 
Oil pressure switch for the VVTL is damaged or has failed
 
PCM has failed
 

Trouble Code: P1693



Oil Control Valve Circuit Malfunction (Closed)

Possible Causes:



OCV (valve) control circuit is shorted to ground
 
Oil control valve for the VVTL is damaged or has failed
 
Oil pressure switch for the VVTL is damaged or has failed
 
PCM has failed
 

Trouble Code: P1780



Park/Neutral Position Switch Circuit Malfunction

Possible Causes:



P/N switch is shorted to ground or wiring harness is shorted
 
P/N switch is out-of-adjustment, damaged or has failed
 
PCM has failed
 

Trouble Code: P2102



Throttle Actuator Control Motor Circuit Low

Possible Causes:



Open in throttle actuator circuit
 
Throttle actuator
 
ECM
 

Trouble Code: P2103



Throttle Actuator Control Motor Circuit High

Possible Causes:



Short in throttle actuator circuit
 
Throttle actuator
 
Throttle valve
 
Throttle body assembly
 
ECM
 

Trouble Code: P2111



Throttle Actuator Control System - Stuck Open

Possible Causes:



Throttle actuator
 
Throttle body assembly
 
Throttle valve
 
ECM
 

Trouble Code: P2112



Throttle Actuator Control System - Stuck Closed

Possible Causes:



Throttle actuator
 
Throttle body assembly
 
Throttle valve
 
ECM
 

Trouble Code: P2118



Throttle Actuator Control Motor Current Range / Performance

Possible Causes:



Open in electronic throttle control system power source circuit
 
Battery
 
Battery terminals
 
ETCS fuse
 
ECM
 

Trouble Code: P2119



Throttle Actuator Control Throttle Body Range / Performance

Possible Causes:



Electronic throttle control system
 
ECM
 

Trouble Code: P2121



Throttle / Pedal Position Sensor / Switch "D" Circuit Range / Performance

Possible Causes:



Accelerator pedal position sensor
 
ECM
 

Trouble Code: P2135



Throttle / Pedal Position Sensor / Switch "A" / "B" Voltage Correlation

Possible Causes:



Short between VTA1 and VTA2 circuits
 
Throttle position sensor (built into throttle body)
 
ECM
 

Trouble Code: P2238



Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1)

Possible Causes:



Open or short in A/F sensor
 
(sensor 1) circuit
 
A/F sensor (sensor 1)
 
A/F sensor heater
 
EFI relay
 
A/F sensor heater and relay
 
circuits
 
ECM
 
(sensor 1) circuit
 

Trouble Code: P2239



Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1)

Possible Causes:



A/F sensor (sensor 1)
 
A/F sensor heater
 
EFI relay
 
A/F sensor heater and relay circuits
 
ECM
 
Open or short in A/F sensor
 

Trouble Code: P2252



Oxygen (A/F) Sensor Reference Ground Circuit Low (Bank 1 Sensor 1)

Possible Causes:



Open or short in air fuel ratio sensor (sensor 1) circuit
 
Air fuel ratio sensor (sensor 1)
 
ECM
 

Trouble Code: P2253



OXYGEN SENSOR REFERENCE GROUND CIRCUIT HIGH (FOR A/F SENSOR)(BANK 1 SENSOR 1)

Possible Causes:



Open or short in A/F sensor (sensor 1) circuit
 
A/F sensor (sensor 1)
 
A/F sensor heater
 
EFI relay
 
A/F sensor heater and relay circuits
 
ECM
 

Trouble Code: P2430



Secondary Air Injection System Air Flow / Pressure Sensor Circuit Bank1

Possible Causes:



Pressure sensor
 
Open or short in pressure sensor circuit
 
Vacuum hose
 
Check valve
 
ECM
 

Trouble Code: P2431



Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance Bank1

Possible Causes:



Pressure sensor
 
Open or short in pressure sensor circuit
 
Vacuum hose
 
Check valve
 
ECM
 

Trouble Code: P2431



Secondary Air Injection System Air Flow / Pressure Sensor Circuit Range / Performance Bank1

Possible Causes:



Open or short in pressure sensor circuit
 
Vacuum hose
 
Check valve
 
ECM
 
Pressure sensor
 

 
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