Subaru Forester 1998-05

2.5L H4 - Std 6

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Trouble Code: P1494



EGR Solenoid Valve Signal #2 Circuit Malfunction (low input)

Possible Causes:



Check power supply to EGR solenoid
 
Check harness between ECM and EGR solenoid valve connector
 
Check poor contact
 

Trouble Code: P1495



EGR Solenoid Valve Signal #2 Circuit Malfunction (high input)

Possible Causes:



Check other DTC on display
 
Check harness between ECM and EGR solenoid valve connector
 

Trouble Code: P1496



EGR Solenoid Valve Signal #3 Circuit Malfunction (low input)

Possible Causes:



Check power supply to EGR solenoid
 
Check harness between ECM and EGR solenoid valve connector
 
Check poor contact
 

Trouble Code: P1497



EGR Solenoid Valve Signal #3 Circuit Malfunction (high input)

Possible Causes:



Check other DTC on display
 
Check harness between ECM and EGR solenoid valve connector
 

Trouble Code: P1498



EGR Solenoid Valve Signal #4 Circuit Malfunction (low input)

Possible Causes:



Check power supply to EGR solenoid
 
Check harness between ECM and EGR solenoid valve connector
 
Check poor contact
 

Trouble Code: P1499



EGR Solenoid Valve Signal #4 Circuit Malfunction (high input)

Possible Causes:



Check other DTC on display
 
Check harness between ECM and EGR solenoid valve connector
 

Trouble Code: P1507



Idle Control System Malfunction (fail safe)

Possible Causes:



Check any other DTC on display
 
Check air intake system
 

Trouble Code: P1510



ISC Solenoid Valve Signal #1 Circuit Malfunction (low input)

Possible Causes:



Check power supply to idle air control solenoid valve
 
Check harness between ECM and idle control solenoid valve connector
 
Check poor contact
 

Trouble Code: P1511



ISC Solenoid Valve Signal #1 Circuit Malfunction (high input)

Possible Causes:



Check any other DTC on display
 
Check ground circuit for ECM
 
Check harness between ECM and idle control solenoid valve connector
 

Trouble Code: P1512



ISC Solenoid Valve Signal #2 Circuit Malfunction (low input)

Possible Causes:



Check power supply to idle air control solenoid valve
 
Check harness between ECM and idle control solenoid valve connector
 
Check poor contact
 

Trouble Code: P1513



ISC Solenoid Valve Signal #2 Circuit Malfunction (high input)

Possible Causes:



Check any other DTC on display
 
Check ground circuit for ECM
 
Check harness between ECM and idle control solenoid valve connector
 

Trouble Code: P1514



ISC Solenoid Valve Signal #3 Circuit Malfunction (low input)

Possible Causes:



Check power supply to idle air control solenoid valve
 
Check harness between ECM and idle control solenoid valve connector
 
Check poor contact
 

Trouble Code: P1515



ISC Solenoid Valve Signal #3 Circuit Malfunction (high input)

Possible Causes:



Check any other DTC on display
 
Check ground circuit for ECM
 
Check harness between ECM and idle control solenoid valve connector
 

Trouble Code: P1516



ISC Solenoid Valve Signal #4 Circuit Malfunction (low input)

Possible Causes:



Check power supply to idle air control solenoid valve
 
Check harness between ECM and idle control solenoid valve connector
 
Check poor contact
 

Trouble Code: P1517



ISC Solenoid Valve Signal #4 Circuit Malfunction (high input)

Possible Causes:



Check any other DTC on display
 
Check ground circuit for ECM
 
Check harness between ECM and idle control solenoid valve connector
 

Trouble Code: P1518



Starter Switch Circuit Low Input

Possible Causes:



Check operation of starter motor
 

Trouble Code: P1520



Cooling Fan Relay 1 Circuit High Input

Possible Causes:



Check output signal of ECM
 
Check for short circuit in radiator fan relay control circuit
 
Check main fan relay
 
Check sub fan relay
 
Check poor contact
 

Trouble Code: P1544



Exhaust Gas Temperature Too High

Possible Causes:



Check any other DTC on display
 
Check exhaust system
 

Trouble Code: P1560



Back-Up Voltage Circuit Malfunction

Possible Causes:



Check input signal of ECM
 
Check harness between ECM and main fuse box connector
 
Check fuse number 13
 

Trouble Code: P1698



Engine Torque Control Cut Signal Circuit Malfunction (low input)

Possible Causes:



Check output signal for ECM
 
Check harness between ECM and TCM connector
 

Trouble Code: P1702



Automatic Transmission Diagnosis Input Signal Circuit Malfunction

Possible Causes:



Check harness between TCM and CCM
 

Trouble Code: P1704



2-4 Brake Timing Control Solenoid Valve Circuit Malfunction

Possible Causes:



Check 2-4 brake timing control solenoid valve circuit
 

Trouble Code: P1705



2-4 Brake Pressure Control Solenoid Valve (duty solenoid -D-) Circuit Malfunction

Possible Causes:



Check 2-4 brake pressure control solenoid valve (duty solenoid -D-) circuit
 

Trouble Code: P1711



Engine Torque Control Signal #1 Circuit Malfunction

Possible Causes:



Check input signal for ECM
 
Check poor contact
 
Check harness between ECM and TCM connector
 

Trouble Code: P1712



Engine Torque Control Signal #2 Circuit Malfunction

Possible Causes:



Check input signal for ECM
 
Check poor contact
 
Check harness between ECM and TCM connector
 

Trouble Code: P2004



Tumble Generated Valve System 1 (valve open)

Possible Causes:



Check any other DTC on display
 
Check tumble generator valve (RH)
 

Trouble Code: P2005



Tumble Generated Valve System 2 (valve open)

Possible Causes:



Check any other DTC on display
 
Check tumble generator valve (RH)
 

Trouble Code: P2006



Tumble Generated Valve System 1 (valve closed)

Possible Causes:



Check any other DTC on display
 
Check tumble generator valve (RH)
 

Trouble Code: P2007



Tumble Generated Valve System 2 (valve closed)

Possible Causes:



Check any other DTC on display
 
Check tumble generator valve (RH)
 

Trouble Code: P2008



Tumble Generated Valve System 1 Circuit Malfunction (open)

Possible Causes:



Check harness between ECM and tumble generator valve actuator connector
 
Check poor contact
 

Trouble Code: P2009



Tumble Generated Valve System 1 Circuit Malfunction (closed)

Possible Causes:



Check harness between ECM and tumble generator valve actuator connector
 

Trouble Code: P2011



Tumble Generated Valve System 2 Circuit Malfunction (short)

Possible Causes:



Check harness between ECM and tumble generator valve actuator connector
 

Trouble Code: P2016



Tumble Generated Valve Position Sensor 1 Circuit Low

Possible Causes:



Using the a scan tool, check current data
 
Check input signal for ECM
 
Check harness between ECM and tumble generator valve position sensor connector
 
Check harness between ECM and throttle position sensor connector
 
Check poor contact
 

Trouble Code: P2017



Tumble Generated Valve Position Sensor 1 Circuit High

Possible Causes:



Using a scan tool, check current data
 
Check harness between tumble generator valve position sensor and ECM connector
 

Trouble Code: P2021



Tumble Generated Valve Position Sensor 2 Circuit Low

Possible Causes:



Using a scan tool, check current data
 
Check input signal for ECM
 
Check harness between ECM and tumble generator valve position sensor connector
 
Check poor contact
 

Trouble Code: P2022



Tumble Generated Valve Position Sensor 2 Circuit High

Possible Causes:



Using a scan tool, check current data
 
Check harness between tumble generator valve position sensor and ECM connector
 
Check poor contact
 

Trouble Code: P2088



OCV Solenoid Valve Signal -A- Circuit Open (bank 1)

Possible Causes:



Check harness between ECM and oil flow control solenoid valve
 
Check oil flow control solenoid valve
 

Trouble Code: P2089



OCV Solenoid Valve Signal -A- Circuit Short (bank 1)

Possible Causes:



Check harness between ECM and oil flow control solenoid valve
 
Check oil flow control solenoid valve
 

Trouble Code: P2092



OCV Solenoid Valve Signal -A- Circuit Open (bank 2)

Possible Causes:



Check harness between ECM and oil flow control solenoid valve
 
Check oil flow control solenoid valve
 

Trouble Code: P2093



OCV Solenoid Valve Signal -A- Circuit Short (bank 2)

Possible Causes:



Check harness between ECM and oil flow control solenoid valve
 
Check oil flow control solenoid valve
 

 
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