Mazda MPV 1999-06

3.0L V6 - Auto 3

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Trouble Code: P0703



Brake On/Off Switch Circuit Malfunction

Possible Causes:



Brake switch signal circuit is open or shorted ground
 
Brake switch power circuit open between switch and battery (+)
 
Brake switch is damaged, misadjusted or installed improperly, or noise filter has failed
 
PCM has failed
 

Trouble Code: P0705



Transmission Range Switch Circuit Malfunction

Possible Causes:



TR signal -P- circuit shorted between switch and the PCM (12v)
 
TR signal -N- circuit shorted between switch and the PCM (12v)
 
TR signal -D- circuit shorted between switch and the PCM (12v)
 
TR signal -2- circuit shorted between switch and the PCM (12v)
 
TR signal -1- circuit shorted between switch and the PCM (12v)
 
TR switch or its connector is damaged, or the switch has failed
 
PCM has failed
 

Trouble Code: P0706



Transmission Range Switch Circuit Malfunction

Possible Causes:



TR signal -P- circuit open between the switch and the PCM (0v)
 
TR signal -D- circuit open between the switch and the PCM (0v)
 
TR signal -N- circuit open between the switch and the PCM (0v)
 
TR signal -2- circuit open between the switch and the PCM (0v)
 
TR signal -1- circuit open between the switch and the PCM (0v)
 
TR switch or its connector is damaged, or the switch has failed
 
PCM has failed
 

Trouble Code: P0710



Transmission Fluid Temperature Sensor Circuit Malfunction

Possible Causes:



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

Trouble Code: P0711



Transmission Fluid Temperature Sensor Circuit Range/Performance

Possible Causes:



TFT sensor signal circuit has a high resistance condition
 
TFT sensor ground circuit has a high resistance condition
 
TFT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0715



Input Shaft or Turbine Shaft Sensor Circuit Malfunction

Possible Causes:



ISS/TSS (+) signal circuit is open (an intermittent fault)
 
ISS/TSS (+) signal circuit shorted to ground (intermittent fault)
 
ISS/TSS (-) signal circuit is open (an intermittent fault)
 
ISS/TSS (-) signal circuit shorted to ground (intermittent fault)
 
ISS/TSS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0731



Transmission 1st Gear Ratio Incorrect

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T line pressure is low, or the oil pump has failed
 
SSA, SSB, SSC or the PCS is stuck (mechanical fault)
 
A/T 1-2 clutch is slipping (mechanical fault)
 
A/T 1-2 shift valve is stuck (mechanical fault)
 
A/T Pressure regulator or the pressure modifier valve is stuck
 
A/T solenoid reducing valve is stuck (mechanical fault)
 
PCM has failed
 

Trouble Code: P0732



Transmission 2nd Gear Ratio Incorrect

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T line pressure is low, or the oil pump has failed
 
SSA, SSB, SSC or the PCS is stuck (mechanical fault)
 
A/T 2-3 clutch is slipping (mechanical fault)
 
A/T 1-2 or the 2-3 shift valve is stuck (mechanical fault)
 
A/T Pressure regulator or the pressure modifier valve is stuck
 
A/T solenoid reducing valve is stuck (mechanical fault)
 
PCM has failed
 

Trouble Code: P0733



Transmission 3rd Gear Ratio Incorrect

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T line pressure is low, or the oil pump has failed
 
SSA, SSB, SSC or the PCS is stuck (mechanical fault)
 
A/T 3-4 clutch is slipping (mechanical fault)
 
A/T 2-3 or the 3-4 shift valve is stuck (mechanical fault)
 
A/T Pressure regulator or the pressure modifier valve is stuck
 
A/T solenoid reducing valve is stuck (mechanical fault)
 
PCM has failed
 

Trouble Code: P0734



Transmission 4th Gear Ratio Incorrect

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T line pressure is low, or the oil pump has failed
 
SSA, SSB, SSC or the PCS is stuck (mechanical fault)
 
A/T 2-4 brake bank or 3-4 clutch is slipping (mechanical fault)
 
A/T 1-2, 2-3 or 3-4 shift valve is stuck (mechanical fault)
 
A/T Pressure regulator, pressure modifier or solenoid reducing valve is stuck
 
PCM has failed
 

Trouble Code: P0740



Torque Converter Clutch System Malfunction

Possible Causes:



ATF level is too low, or the ATF is badly deteriorated
 
A/T line pressure is low, or the oil pump has failed
 
A/T control valve has failed (it may be stuck)
 
TCC solenoid valve or pressure control valve is stuck
 
TCC in the torque converter is slipping (mechanical fault)
 
TCC shift valve or converter relief valve is stuck
 
Pressure modifier or the pressure regulator valve is stuck
 
Solenoid reducing valve is stuck (mechanical fault)
 
PCM has failed
 

Trouble Code: P0743



Torque Converter Clutch Solenoid Circuit Malfunction

Possible Causes:



TCC control circuit is open (continuous high signal)
 
TCC control circuit is shorted to ground (continuous low signal)
 
TCC control circuit is shorted to system power (B+)
 
TCC solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P0745



Pressure Control Solenoid Circuit Malfunction

Possible Causes:



PCS control circuit is open (continuous high signal)
 
PCS control circuit is shorted to ground (continuous low signal)
 
PCS control circuit is shorted to system power (B+)
 
PCS is damaged or has failed
 
PCM has failed
 

Trouble Code: P0750



A/T Shift Solenoid -A- Circuit Malfunction

Possible Causes:



SSA control circuit is open (continuous high signal)
 
SSA control circuit is shorted to ground (continuous low signal)
 
SSA control circuit is shorted to system power (B+)
 
SSA is damaged or has failed
 
PCM has failed
 

Trouble Code: P0755



A/T Shift Solenoid -B- Circuit Malfunction

Possible Causes:



SSB control circuit is open (continuous high signal)
 
SSB control circuit is shorted to ground (continuous low signal)
 
SSB control circuit is shorted to system power (B+)
 
SSB is damaged or has failed
 
PCM has failed
 

Trouble Code: P0760



A/T Shift Solenoid -C- Circuit Malfunction

Possible Causes:



SSC control circuit is open (continuous high signal)
 
SSC control circuit is shorted to ground (continuous low signal)
 
SSC control circuit is shorted to system power (B+)
 
SSC is damaged or has failed
 
PCM has failed
 

Trouble Code: P1000



OBD II Monitor Testing No Completed

Possible Causes:



A PCM Reset step was performed with an OBD II Scan Tool
 
Battery keep alive power (KAPWR) was removed to the PCM
 
One or more OBD II Monitors did not complete during an official OBD II Drive Cycle
 

Trouble Code: P1001



Data Link Connector Circuit Malfunction

Possible Causes:



DLC connector or the related terminals/pins are damaged
 
DLC Bus (+) circuit is open or shorted to ground
 
DLC Bus (+) circuit is shorted at an associated module
 
DLC ground circuit is open or has a high resistance condition
 
PCM power relay is damaged or has failed (no power to DLC)
 
Incorrect Self-Test procedure followed, or idle speed to low
 
PCM has failed (e.g., the PCM VREF may be out-of-range)
 

Trouble Code: P1102



MAF Signal Inconsistent With TP Sensor (Too Low)

Possible Causes:



MAF sensor signal circuit is open or grounded (intermittent)
 
MAF sensor is damaged, dirty or has failed
 
MAF sensor (inlet) screen is dirty or blocked
 
TP sensor is damaged or erratic in operation
 
PCM has failed
 

Trouble Code: P1103



MAF Signal Inconsistent with Engine Speed (Too High)

Possible Causes:



MAF sensor signal circuit is open or grounded (intermittent)
 
MAF sensor is damaged, dirty or has failed
 
MAF sensor (inlet) screen is dirty or blocked
 
An intake air leak is present near the MAF sensor location
 
PCM has failed
 

Trouble Code: P1110



Intake Air Temperature Sensor Circuit Malfunction (Dynamic Chamber)

Possible Causes:



IAT sensor signal circuit open or shorted to ground
 
IAT sensor ground circuit open between sensor and the PCM
 
IAT sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1122



Throttle Position Signal Low Input (Stuck Closed)

Possible Causes:



TP sensor is broken damaged or has failed
 
TP sensor signal circuit is corroded or shorted in the connector
 
High resistance in the VREF circuit or intermittent loss of VREF
 
PCM has failed
 

Trouble Code: P1123



Throttle Position Signal High Input (Stuck Open)

Possible Causes:



TP sensor is broken damaged or has failed
 
MAF sensor has drifted out-of-calibration, or it is contaminated
 
TP sensor signal circuit is corroded or shorted in the connector
 
High resistance in the TP sensor ground circuit
 
PCM has failed
 

Trouble Code: P1170



HO2S-11 (Bank 1 Sensor 1) Circuit No Inversion

Possible Causes:



Base engine mechanical fault affecting one or more cylinders
 
EVAP Purge valve stuck or the hoses to the valve are reversed
 
Fuel metering fault (fuel injector sticking open or leaking)
 
Fuel pressure too low or too high, fuel supply contaminated
 
HO2S element is contaminated or the HO2S heater has failed
 
PCV system has air leaks at the valve or related hoses
 

Trouble Code: P1173



HO2S-21 (Bank 2 Sensor 1) Circuit Malfunction

Possible Causes:



Base engine mechanical fault affecting one or more cylinders
 
EVAP Purge valve stuck or the hoses to the valve are reversed
 
Fuel metering fault (fuel injector sticking open or leaking)
 
Fuel pressure too low or too high, fuel supply contaminated
 
HO2S element is contaminated or the HO2S heater has failed
 
PCV system has air leaks at the valve or related hoses
 

Trouble Code: P1196



Ignition Switch Start Circuit Malfunction

Possible Causes:



Ignition Start terminal circuit shorted to system power (B+)
 
Starter is damaged or has failed
 

Trouble Code: P1250



Pressure Regulator Control Solenoid Circuit Malfunction

Possible Causes:



PRC solenoid circuit is open or shorted to ground
 
Fuel pump relay power circuit is open
 
PCM has failed
 

Trouble Code: P1252



Pressure Regulator Control Solenoid 2 Circuit Malfunction

Possible Causes:



PRC solenoid control circuit is open
 
PRC solenoid control circuit is shorted to ground
 
Fuel pump relay power circuit is open
 
PCM has failed
 

Trouble Code: P1309



Misfire Detection Monitor

Possible Causes:



CMP sensor is not properly synchronized in the engine
 
CMP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1345



Camshaft Position (SGC) Sensor Circuit Malfunction

Possible Causes:



CMP sensor signal circuit is open or shorted to ground
 
CMP sensor signal circuit is shorted to VREF or system power
 
CMP sensor power circuit open between sensor and main relay
 
CMP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1449



Canister Drive Cut Valve Circuit Malfunction

Possible Causes:



CDCV control circuit is open or shorted to ground
 
CDCV control circuit is shorted to power
 
CDCV power circuit is open between the valve and main relay
 
CDCV is damaged or has failed
 
PCM has failed
 

Trouble Code: P1450



EVAP Control System Excessive Vacuum

Possible Causes:



Air filter element is extremely dirty or clogged
 
Canister drain cut valve (CDCV) is damaged or has failed
 
Charcoal canister is full of fuel or moisture, or is damaged
 
EVAP system drain passage is clogged
 
Fuel tank pressure sensor is damaged or out-of-calibration
 
Purge solenoid valve is damaged or has failed
 

Trouble Code: P1455



Fuel Tank Level Sensor Circuit Malfunction

Possible Causes:



Fuel tank level sensor signal circuit open or shorted to ground
 
Fuel tank level sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P1487



EGR Boost Sensor Solenoid Valve Circuit Malfunction

Possible Causes:



EGR boost sensor solenoid circuit is open or shorted to ground
 
EGR boost sensor solenoid circuit is shorted to system power
 
EGR boost sensor solenoid circuit is open or shorted to ground
 
EGR boost sensor solenoid is damaged or has failed
 
PCM has failed
 

Trouble Code: P1496



EGR Valve Stepper Motor Coil 1 Circuit Malfunction

Possible Causes:



EGR Coil 1 control circuit is open or shorted to ground
 
EGR Coil 1 control circuit is shorted to power
 
EGR Coil 1 power circuit open between valve and main relay
 
EGR Coil 1 is damaged or has failed
 
PCM has failed
 

Trouble Code: P1497



EGR Valve Stepper Motor Coil 2 Circuit Malfunction

Possible Causes:



EGR Coil 2 control circuit is open or shorted to ground
 
EGR Coil 2 control circuit is shorted to power
 
EGR Coil 2 power circuit open between valve and main relay
 
EGR Coil 2 is damaged or has failed
 
PCM has failed
 

Trouble Code: P1498



EGR Valve Stepper Motor Coil 3 Circuit Malfunction

Possible Causes:



EGR Coil 3 control circuit is open or shorted to ground
 
EGR Coil 3 control circuit is shorted to power
 
EGR Coil 3 power circuit open between valve and main relay
 
EGR Coil 3 is damaged or has failed
 
PCM has failed
 

Trouble Code: P1499



EGR Valve Stepper Motor Coil 4 Circuit Malfunction

Possible Causes:



EGR Coil 4 control circuit is open or shorted to ground
 
EGR Coil 4 control circuit is shorted to power
 
EGR Coil 4 power circuit open between valve and main relay
 
EGR Coil 4 is damaged or has failed
 
PCM has failed
 

Trouble Code: P1504



Idle Air Control Solenoid Circuit Malfunction

Possible Causes:



IAC solenoid No. 1 or No. 2 control circuit is open
 
IAC solenoid No. 1 or No. 2 control circuit is shorted to ground
 
IAC solenoid is damaged or has failed (an intermittent fault)
 
PCM has failed
 

Trouble Code: P1512



Intake Manifold Runner Control Shutter Valve (Stuck Closed)

Possible Causes:



IMRC control circuit shorted to ground or to system power (B+)
 
IMRC shutter valve actuator is stuck closed
 
IMRC vacuum hose is loose or disconnected
 
PCM has failed
 

 
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