Suzuki Vitara, Grand Vitara, XL7 2000-06

1.6L I4 VIN 0 Std 2

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Trouble Code: P0505



Idle Speed Control System

Possible Causes:



IAC valve control circuit is open or shorted to ground
 
IAC valve power circuit is open (check power from the relay)
 
IAC valve ground circuit is open
 
IAC valve is damaged or has failed
 
PCM has failed
 

Trouble Code: P0601



PCM Memory Check Sum Error

Possible Causes:



Clear the trouble code, and recheck for the same code.
 
If this trouble code resets, the PCM must be replaced
 

Trouble Code: P1408



Manifold Absolute Pressure Sensor Signal Performance

Possible Causes:



MDP sensor signal circuit is open or shorted to ground
 
MDP sensor vacuum source in intake manifold is clogged
 
MDP sensor is damaged, out-of-calibration or has failed
 
PCM has failed
 

Trouble Code: P1410



Fuel Tank Pressure Control Solenoid Circuit Malfunction

Possible Causes:



FTP control solenoid connector is damaged, open or shorted
 
FTP control solenoid circuit is open or shorted to ground
 
FTP control solenoid power circuit is open (check the relay)
 
FTP solenoid is damaged (solenoid resistance is 28-39 ohms)
 
PCM has failed
 

Trouble Code: P1450



Barometric Pressure Sensor Circuit Malfunction

Possible Causes:



BARO sensor connector is damaged, open or shorted
 
BARO sensor signal circuit is open or shorted to ground
 
BARO sensor signal circuit shorted to VREF or system power
 
BARO sensor is contaminated, damaged or has failed
 
PCM has failed
 

Trouble Code: P1451



Barometric Pressure Sensor Signal Range/Performance

Possible Causes:



BARO sensor connector is damaged, open or shorted
 
BARO sensor signal circuit is open or shorted to ground
 
BARO sensor signal circuit shorted to VREF or system power
 
BARO sensor is contaminated, damaged or has failed
 
PCM has failed
 

Trouble Code: P1500



Engine 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+)
 
PCM has failed
 

Trouble Code: P1510



PCM Backup Power Supply Circuit Malfunction

Possible Causes:



Backup power supply circuit is open (check the Dome fuse)
 
Battery terminal connections may be loose or corroded
 
PCM has failed
 

 
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