Toyota Celica, Corolla, ECHO & MR2 1999-05

1.5L L4 - Std 2

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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: P0550



Power Steering Pressure Sensor Circuit Malfunction

Possible Causes:



PSP sensor connector is damaged, open or shorted
 
PSP sensor signal circuit is open, shorted to ground or VREF
 
PSP sensor ground circuit is open
 
PSP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0552



Power Steering Pressure Sensor Circuit Low Input

Possible Causes:



PSP sensor signal circuit is open or shorted to ground
 
PSP sensor ground circuit is open
 
PSP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0553



Power Steering Pressure Sensor Circuit High Input

Possible Causes:



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

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: P0606



ECM/PCM Processing Error

Possible Causes:



Clear the codes and retest for this code. If the same code resets, substitute a known good control module and retest. If the trouble code is gone, the original PCM has failed.TSB TC002-03 (6/03) contains information related to this code
 

Trouble Code: P0607



Control Module Performance

Possible Causes:



Clear the codes and retest for this code. If the same code resets, substitute a known good control module and retest. If the trouble code is gone, the original PCM has failed.TSB TC002-03 (6/03) contains information related to this code
 

Trouble Code: P0617



Starter Relay Circuit High Input

Possible Causes:



Park/Neutral switch assembly is damaged or it has failedIgnition switch 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: 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
 

Trouble Code: P1150



A/F Sensor-21 (Bank 2 Sensor 1) Circuit Malfunction

Possible Causes:



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

Trouble Code: P1153



A/F Sensor-21 (Bank 2 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)
 

Trouble Code: P1155



A/F Sensor-21 (Bank 2 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
 

Trouble Code: P1300



Igniter No. 1 Circuit Malfunction

Possible Causes:



IGT or IGF signal circuit is open or shorted to ground
 
Igniter is damaged or has failed
 
PCM has failed
 

Trouble Code: P1305



Igniter No. 2 Circuit Malfunction

Possible Causes:



IGT or IGF signal circuit is open or shorted to ground
 
Igniter is damaged or has failed
 
PCM has failed
 

Trouble Code: P1310



Igniter No. 3 Circuit Malfunction

Possible Causes:



IGT or IGF signal circuit is open or shorted to ground
 
Igniter is damaged or has failed
 

Trouble Code: P1315



Igniter No. 4 Circuit Malfunction

Possible Causes:



IGT or IGF signal circuit is open or 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: P1345



Variable Valve Timing, CMP Sensor Circuit Malfunction

Possible Causes:



VVT sensor (+) signal circuit is open or shorted to ground
 
VVT sensor (-) signal circuit is open or shorted to ground
 
VVT 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: P1500



Starter Signal Circuit Malfunction

Possible Causes:



Engine starter signal circuit is open or shorted to ground
 
Engine starter signal circuit is shorted to system power (B+)
 
Starter 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: 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
 

 
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