ES300 1992-1997

3.0L V6 VIN F Auto 2

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Trouble Code: C0236/22



ABS & TRAC Actuator Solenoid Circuit

Possible Causes:



ABS actuator
 
SFLR or SFLH circuit
 
ABS & TRAC ECU
 

Trouble Code: C0246/23



ABS & TRAC Actuator Solenoid Circuit

Possible Causes:



ABS actuator
 
SRRR or SRRH circuit
 
ABS & TRAC ECU
 

Trouble Code: C0256/24



ABS & TRAC Actuator Solenoid Circuit

Possible Causes:



ABS actuator
 
SRLR or SRLH circuit
 
ABS & TRAC ECU
 

Trouble Code: C0273/13



ABS & TRAC Motor Relay Circuit

Possible Causes:



ABS & TRAC motor relay
 
ABS & TRAC motor relay circuit
 
ECU
 

Trouble Code: C0274/14



ABS & TRAC Motor Relay Circuit

Possible Causes:



ABS & TRAC motor relay
 
ABS & TRAC motor relay circuit
 
ECU
 

Trouble Code: C0278/11



ABS & TRAC Solenoid Relay Circuit

Possible Causes:



ABS & TRAC solenoid relay
 
ABS & TRAC solenoid relay circuit
 
ECU
 

Trouble Code: C0278/11



ABS & TRAC Solenoid Relay Circuit

Possible Causes:



ABS & TRAC solenoid relay
 
ABS & TRAC solenoid relay circuit
 
ABS & TRAC ECU
 

Trouble Code: C0279/12



ABS & TRAC Solenoid Relay Circuit

Possible Causes:



ABS & TRAC solenoid relay
 
ABS & TRAC solenoid relay circuit
 
ECU
 

Trouble Code: C0279/12



ABS & TRAC Solenoid Relay Circuit

Possible Causes:



ABS & TRAC solenoid relay
 
ABS & TRAC solenoid relay circuit
 
ABS & TRAC ECU
 

Trouble Code: C1225/25



ABS & TRAC Actuator Solenoid

Possible Causes:



ABS actuator
 
SMC1 circuit
 
ABS & TRAC ECU
 

Trouble Code: C1226/26



ABS & TRAC Actuator Solenoid Circuit

Possible Causes:



ABS actuator
 
SMC2 circuit
 
ABS & TRAC ECU
 

Trouble Code: C1227/27



ABS & TRAC Actuator Solenoid Circuit

Possible Causes:



ABS actuator
 
SRC1 circuit
 
ABS & TRAC ECU
 

Trouble Code: C1228/28



ABS & TRAC Actuator Solenoid Circuit

Possible Causes:



ABS actuator
 
SRC2 circuit
 
ABS & TRAC ECU
 

Trouble Code: P0010



VVT Oil Control Circuit Malfunction (Bank 1)

Possible Causes:



OCV assembly connector is damaged or loose
 
OCV assembly control circuit is open or shorted to ground
 
OCV assembly is damaged or has failed
 
PCM has failed
 

Trouble Code: P0011



Camshaft Position 'A' Over-Advanced Or System Performance (Bank 1)

Possible Causes:



Engine valve timing malfunction
 
Camshaft timing oil control valve unit is damaged or has failed
 
PCM or VVT ECM has failed
 

Trouble Code: P0012



Camshaft Position 'A' Over-Retarded (Bank 1)

Possible Causes:



Engine valve timing malfunction
 
Camshaft timing oil control valve unit is damaged or has failed
 
PCM or VVT ECM has failed
 

Trouble Code: P0016



Camshaft Position-Crankshaft Position (Bank 1 Sensor A)

Possible Causes:



Engine valve timing problem
 
Engine timing belt mechanical problem (skipped teeth or belt)
 
PCM has failed
 

Trouble Code: P0018



Camshaft Position-Crankshaft Position (Bank 2 Sensor A)

Possible Causes:



Engine valve timing problem
 
Engine timing belt mechanical problem (skipped teeth or belt)
 
PCM has failed
 

Trouble Code: P0020



Camshaft Position Sensor Actuator 'A' Circuit (Bank 2)

Possible Causes:



OCV assembly connector is damaged or loose
 
OCV assembly control circuit is open or shorted to ground
 
OCV assembly is damaged or has failed
 
PCM has failed
 

Trouble Code: P0021



Camshaft Position 'A' Timing Over-Advanced Or System Performance (Bank 2)

Possible Causes:



Engine valve timing malfunction
 
Camshaft timing oil control valve unit is damaged or has failed
 
PCM or VVT ECM has failed
 

Trouble Code: P0022



Camshaft Position 'A' Timing Over-Retarded (Bank 2)

Possible Causes:



Engine valve timing malfunction
 
Camshaft timing oil control valve unit is damaged or has failed
 
PCM or VVT ECM has failed
 

Trouble Code: P0036



Heated Oxygen Sensor (Bank 1 Sensor 2) Heater Circuit Malfunction

Possible Causes:



HO2S-12 heater control circuit is open or shorted to ground
 
HO2S-12 heater assembly is damaged or has failed
 
HO2S-12 heater power circuit open (test power from EFI relay)
 
PCM has failed
 

Trouble Code: P0100



Mass Airflow Sensor Circuit Malfunction

Possible Causes:



MAF sensor signal circuit is open, shorted to ground or power
 
MAF sensor ground circuit is open between sensor and ground
 
MAF sensor power circuit is open (check the power to the relay)
 
MAF sensor has failed, or the PCM has failed
 

Trouble Code: P0101



Mass Airflow Sensor Signal Range/Performance

Possible Causes:



MAF sensor signal circuit is open, shorted to ground or power
 
MAF sensor is contaminated, damaged or it has failed
 
PCM has failed
 

Trouble Code: P0115



Engine Coolant Temperature Sensor Circuit Malfunction

Possible Causes:



IAT sensor signal circuit is open, shorted to ground or VREF
 
ECT sensor ground circuit is open between sensor and ground
 
ECT sensor is contaminated, damaged or has failed
 
PCM has failed
 

Trouble Code: P0116



Engine Coolant Temperature Sensor Range/Performance

Possible Causes:



Check for a low coolant level or an incorrect coolant mixture
 
ECT sensor signal circuit or ground circuit has high resistance
 
ECT sensor is contaminated, damaged or out-of-calibration
 
PCM has failed
 

Trouble Code: P0120



TP Sensor or Switch 'A' Circuit Malfunction

Possible Causes:



TP sensor signal circuit is open or shorted to ground
 
TP sensor ground circuit is open, or the power circuit is open
 
TP sensor is damaged or has failed
 

Trouble Code: P0120



TP Sensor or Switch 'A' Circuit Malfunction

Possible Causes:



VTA sensor signal circuit is open or shorted to ground
 
VTA sensor ground circuit is open
 
VTA power circuit (VREF) is open
 
TP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0120



Throttle Pedal Position Sensor/Switch 'A' Circuit Malfunction Conditions

Possible Causes:



TP sensor signal circuit open is or shorted to ground
 
TP sensor ground circuit is open
 
TP sensor power circuit is open (test VREF circuit at the PCM)
 
TP sensor is damaged or has failed
 
PCM has failed
 

Trouble Code: P0121



TP Sensor or TP Switch 'A' Signal Range/Performance

Possible Causes:



TP sensor signal circuit open or shorted to ground (intermittent)
 
TP sensor is loose at it mounting or the throttle is binding
 
TP sensor is damaged or has failed (perform a sweep test)
 
PCM has failed
 

Trouble Code: P0125



Insufficient Coolant Temperature For Closed Loop:

Possible Causes:



Check the operation of the thermostat (it may be stuck open)
 
ECT sensor signal circuit has high resistance
 
ECT sensor has failed
 
Inspect for low coolant level or an incorrect coolant mixture
 

Trouble Code: P0130



HO2S-11 (Bank 1 Sensor 1) Circuit Malfunction

Possible Causes:



HO2S signal circuit is open between the sensor and the PCM
 
HO2S signal circuit is shorted to sensor or chassis ground
 
HO2S signal circuit is shorted to VREF or system power (B+)
 
HO2S is damaged, contaminated or it has failed
 
PCM has failed
 

Trouble Code: P0133



HO2S-11 (Bank 1 Sensor 1) Slow Response

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S element is contaminated, or HO2S heater 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: P0134



Air Fuel Sensor 1 (Bank 1 Sensor 1) Circuit No Activity Detected

Possible Causes:



Air leaks present in the PCV valve, hoses or hose connections
 
A/FS1 connector is damaged or loose
 
A/FS1 signal circuit is open or shorted to ground
 
A/FS1 is damaged, contaminated or it has failed
 
Fuel Control component faults (sticking injector, low pressure)
 
Gas leaks in the exhaust system in front of the Oxygen sensor
 
PCM has failed
 

Trouble Code: P0135



HO2S-11 (Bank 1 Sensor 1) Heater Circuit Malfunction

Possible Causes:



HO2S heater control circuit is open or shorted to ground
 
HO2S heater control circuit is shorted to power
 
HO2S heater power circuit is open (check power from the relay)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0135



Air Fuel Sensor 1 (Bank 1 Sensor 1) Heater Circuit Malfunction

Possible Causes:



A/FS1 heater control circuit is open or shorted to ground
 
A/FS1 heater control circuit is shorted to power
 
A/FS1 heater power circuit is open (check power from relay)
 
A/FS1 heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0136



HO2S-12 (Bank 1 Sensor 2) Circuit Malfunction

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S signal circuit shorted to VREF or system power (B+)
 
HO2S is damaged, contaminated or it has failed
 

Trouble Code: P0136



HO2S-12 (Bank 1 Sensor 2) Circuit Malfunction Code

Possible Causes:



HO2S signal circuit is open or shorted to ground
 
HO2S signal circuit shorted to VREF or system power (B+)
 
HO2S is damaged, contaminated or it has failed
 

Trouble Code: P0141



HO2S-12 (Bank 1 Sensor 2) Heater Circuit Malfunction

Possible Causes:



HO2S heater control circuit is open, shorted to ground or power
 
HO2S heater power circuit is open (check power from the relay)
 
HO2S heater is damaged or has failed
 
PCM has failed
 

Trouble Code: P0154



Air Fuel Sensor 2 (Bank 2 Sensor 1) Circuit No Activity Detected

Possible Causes:



Air leaks present in the PCV valve, hoses or hose connections
 
A/FS1 connector is damaged or loose
 
A/FS1 signal circuit is open or shorted to ground
 
A/FS1 is damaged, contaminated or it has failed
 
Fuel Control component faults (sticking injector, low pressure)
 
Gas leaks in the exhaust system in front of the Oxygen sensor
 

 
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