2009 SUBARU TRIBECA Ho2 sensor

EN(H6DO)(diag)-35
Inspection Mode
ENGINE (DIAGNOSTICS)
11.Inspection Mode
A: PROCEDURE
When performing the diagnosis not listed in “List of Diagnostic Trouble Code (DTC)”, refer the item on the
drive cycle.
DTC Item On condition
P0011 Intake Camshaft Position Timing - Over-Advanced (Bank 1) —
P0016 Crankshaft Position - Camshaft Position Correlation (Bank 1) —
P0018 Crankshaft Position - Camshaft Position Correlation (Bank 2) —
P0021 Intake Camshaft Position Timing - Over-Advanced (Bank 2) —
P0031 HO2S Heater Control Circuit Low (Bank 1 Sensor 1) —
P0032 HO2S Heater Control Circuit High (Bank 1 Sensor 1) —
P0037 HO2S Heater Control Circuit Low (Bank 1 Sensor 2) —
P0038 HO2S Heater Control Circuit High (Bank 1 Sensor 2) —
P0051 HO2S Heater Control Circuit Low (Bank 2 Sensor 1) —
P0052 HO2S Heater Control Circuit High (Bank 2 Sensor 1) —
P0057 HO2S Heater Control Circuit Low (Bank 2 Sensor 2) —
P0058 HO2S Heater Control Circuit High (Bank 2 Sensor 2) —
P0077 Intake Valve Control Circuit High (Bank 1) —
P0083 Intake Valve Control Circuit High (Bank 2) —
P0102 Mass or Volume Air Flow Circuit Low Input —
P0103 Mass or Volume Air Flow Circuit High Input —
P0107 Manifold Absolute Pressure/Barometric Pressure Circuit Low Input —
P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input —
P0112 Intake Air Temperature Circuit Low Input —
P0113 Intake Air Temperature Circuit High Input —
P0117 Engine Coolant Temperature Circuit Low Input —
P0118 Engine Coolant Temperature Circuit High Input —
P0122 Throttle/Pedal Position Sensor/Switch “A” Circuit Low Input —
P0123 Throttle/Pedal Position Sensor/Switch “A” Circuit High Input —
P0131 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 1) —
P0132 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) —
P0137 O2 Sensor Circuit Low Voltage (Bank 1 Sensor 2) —
P0138 O2 Sensor Circuit High Voltage (Bank 1 Sensor 2) —
P0140 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 2) —
P0151 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 1) —
P0152 O2 Sensor Circuit High Voltage (Bank 2 Sensor 1) —
P0157 O2 Sensor Circuit Low Voltage (Bank 2 Sensor 2) —
P0158 O2 Sensor Circuit High Voltage (Bank 2 Sensor 2) —
P0160 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 2) —
P0182 Fuel Temperature Sensor “A” Circuit Low Input —
P0183 Fuel Temperature Sensor “A” Circuit High Input —
P0197 Engine Oil Temperature Sensor Circuit Low —
P0198 Engine Oil Temperature Sensor Circuit High —
P0222 Throttle/Pedal Position Sensor/Switch “B” Circuit Low Input —
P0223 Throttle/Pedal Position Sensor/Switch “B” Circuit High Input —
P0230 Fuel Pump Primary Circuit —
P0327 Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor) —
P0328 Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) —
P0332 Knock Sensor 2 Circuit Low Input (Bank 2) —
P0333 Knock Sensor 2 Circuit High Input (Bank 2) —
P0335 Crankshaft Position Sensor “A” Circuit —
P0336 Crankshaft Position Sensor “A” Circuit Range/Performance —

EN(H6DO)(diag)-43
Drive Cycle
ENGINE (DIAGNOSTICS)
4. DRIVE CYCLE C — DRIVE THE VEHICLE WITH FOLLOWING DRIVE PATTERNS
(A) Idle the engine for more than 10
seconds.
(D) Decelerate the vehicle to 64 km/h
(40 MPH) with throttle fully closed.
(G) Stop the vehicle with throttle fully
closed.
(B) Accelerate the vehicle to 97 km/h
(60 MPH) within 20 seconds.
(E) Drive the vehicle at 64 km/h (40
MPH) for 20 seconds.
(H) Vehicle speed km/h (MPH)
(I) Sec.
(C) Drive the vehicle at 97 km/h (60
MPH) for 20 seconds.
(F) Accelerate the vehicle to 97 km/h
(60 MPH) within 10 seconds.

DTC Item On condition
P0026 Intake Valve Control Solenoid Circuit Range/Performance (Bank 1) —
P0028 Intake Valve Control Solenoid Circuit Range/Performance (Bank 2) —
*P0030 HO2S Heater Control Circuit (Bank 1 Sensor 1) —
*P0050 HO2S Heater Control Circuit (Bank 2 Sensor 1) —
*P0068 MAP/MAF - Throttle Position Correlation —
P0076 Intake Valve Control Circuit Low (Bank 1) —
P0082 Intake Valve Control Circuit Low (Bank 2) —
*P0101 Mass or Volume Air Flow Circuit Range/Performance —
P0134 O2 Sensor Circuit No Activity Detected (Bank 1 Sensor 1) —
*P0139 O2 Sensor Circuit Slow Response (Bank 1 Sensor 2) —
P0154 O2 Sensor Circuit No Activity Detected (Bank 2 Sensor 1) —
*P0159 O2 Sensor Circuit Slow Response (Bank 2 Sensor 2) —
*P0171 System Too Lean (Bank 1) Complete diagnosis for drive cycle A or B
*P0172 System Too Rich (Bank 1) Complete diagnosis for drive cycle A or B
*P0174 System Too Lean (Bank 2) Complete diagnosis for drive cycle A or B
*P0175 System Too Rich (Bank 2) Complete diagnosis for drive cycle A or B
*P0301 Cylinder 1 Misfire Detected Complete diagnosis for drive cycle A or B
*P0302 Cylinder 2 Misfire Detected Complete diagnosis for drive cycle A or B
*P0303 Cylinder 3 Misfire Detected Complete diagnosis for drive cycle A or B
*P0304 Cylinder 4 Misfire Detected Complete diagnosis for drive cycle A or B
*P0305 Cylinder 5 Misfire Detected Complete diagnosis for drive cycle A or B
*P0306 Cylinder 6 Misfire Detected Complete diagnosis for drive cycle A or B
P2103 Throttle Actuator Control Motor Circuit High Complete diagnosis for drive cycle A or B
EN-00842
(C)
(H)
(I)
(60)97
64(40)(B)
(A)
(F)(D)
(E)
150100500
(G)

EN(H6DO)(diag)-69
List of Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
17.List of Diagnostic Trouble Code (DTC)
A: LIST
DTC Item Reference
P0011 Intake Camshaft Position Timing -
Over-Advanced (Bank 1)
TIMING - OVER-ADVANCED (BANK 1), Diagnostic Procedure with Diagnos-
tic Trouble Code (DTC).>
P0016 Crankshaft Position - Camshaft Posi-
tion Correlation (Bank 1)
SHAFT POSITION CORRELATION (BANK 1), Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0018 Crankshaft Position - Camshaft Posi-
tion Correlation (Bank 2)
SHAFT POSITION CORRELATION (BANK 2), Diagnostic Procedure with
Diagnostic Trouble Code (DTC).>
P0021 Intake Camshaft Position Timing -
Over-Advanced (Bank 2)
TIMING - OVER-ADVANCED (BANK 2), Diagnostic Procedure with Diagnos-
tic Trouble Code (DTC).>
P0026 Intake Valve Control Solenoid Circuit
Range/Performance (Bank 1)
NOID CIRCUIT RANGE/PERFORMANCE (BANK 1), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
P0028 Intake Valve Control Solenoid Circuit
Range/Performance (Bank 2)
NOID CIRCUIT RANGE/PERFORMANCE (BANK 2), Diagnostic Procedure
with Diagnostic Trouble Code (DTC).>
P0030 HO2S Heater Control Circuit (Bank 1
Sensor 1)
CUIT (BANK 1 SENSOR 1), Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
P0031 HO2S Heater Control Circuit Low
(Bank 1 Sensor 1)
CUIT LOW (BANK 1 SENSOR 1), Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0032 HO2S Heater Control Circuit High
(Bank 1 Sensor 1)
CUIT HIGH (BANK 1 SENSOR 1), Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0037 HO2S Heater Control Circuit Low
(Bank 1 Sensor 2)
CUIT LOW (BANK 1 SENSOR 2), Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0038 HO2S Heater Control Circuit High
(Bank 1 Sensor 2)
CUIT HIGH (BANK 1 SENSOR 2), Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0050 HO2S Heater Control Circuit (Bank 2
Sensor 1)
CUIT (BANK 2 SENSOR 1), Diagnostic Procedure with Diagnostic Trouble
Code (DTC).>
P0051 HO2S Heater Control Circuit Low
(Bank 2 Sensor 1)
CUIT LOW (BANK 2 SENSOR 1), Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0052 HO2S Heater Control Circuit High
(Bank 2 Sensor 1)
CUIT HIGH (BANK 2 SENSOR 1), Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0057 HO2S Heater Control Circuit Low
(Bank 2 Sensor 2)
CUIT LOW (BANK 2 SENSOR 2), Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0058 HO2S Heater Control Circuit High
(Bank 2 Sensor 2)
CUIT HIGH (BANK 2 SENSOR 2), Diagnostic Procedure with Diagnostic
Tr o u b l e C o d e ( D T C ) . >
P0068 MAP/MAF - Throttle Position Correla-
tion
TION CORRELATION, Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>
P0076 Intake Valve Control Circuit Low
(Bank 1)
CUIT LOW (BANK 1), Diagnostic Procedure with Diagnostic Trouble Code
(DTC).>

EN(H6DO)(diag)-85
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
G: DTC P0030 HO2S HEATER CONTROL CIRCUIT (BANK 1 SENSOR 1)
DTC DETECTING CONDITION:
•Detected when two consecutive driving cycles with fault occur.
•GENERAL DESCRIPTION (BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode OPERATION, Clear Memory Mode.> and Inspection Mode Inspection Mode.>.

EN(H6DO)(diag)-88
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
H: DTC P0031 HO2S HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 1)
DTC DETECTING CONDITION:
•Immediately at fault recognition
•GENERAL DESCRIPTION LOW (BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode OPERATION, Clear Memory Mode.> and Inspection Mode Inspection Mode.>.

EN(H6DO)(diag)-92
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
I: DTC P0032 HO2S HEATER CONTROL CIRCUIT HIGH (BANK 1 SENSOR 1)
DTC DETECTING CONDITION:
•Immediately at fault recognition
•GENERAL DESCRIPTION HIGH (BANK 1 SENSOR 1), Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode OPERATION, Clear Memory Mode.> and Inspection Mode Inspection Mode.>.

EN(H6DO)(diag)-95
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
J: DTC P0037 HO2S HEATER CONTROL CIRCUIT LOW (BANK 1 SENSOR 2)
DTC DETECTING CONDITION:
•Detected when two consecutive driving cycles with fault occur.
•GENERAL DESCRIPTION LOW (BANK 1 SENSOR 2), Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode OPERATION, Clear Memory Mode.> and Inspection Mode Inspection Mode.>.

EN(H6DO)(diag)-99
Diagnostic Procedure with Diagnostic Trouble Code (DTC)
ENGINE (DIAGNOSTICS)
K: DTC P0038 HO2S HEATER CONTROL CIRCUIT HIGH (BANK 1 SENSOR 2)
DTC DETECTING CONDITION:
•Detected when two consecutive driving cycles with fault occur.
•GENERAL DESCRIPTION HIGH (BANK 1 SENSOR 2), Diagnostic Trouble Code (DTC) Detecting Criteria.>
CAUTION:
After repair or replacement of faulty parts, perform Clear Memory Mode OPERATION, Clear Memory Mode.> and Inspection Mode Inspection Mode.>.