ISUZU KB P190 2007 Workshop Repair Manual

Engine Management – V6 – Diagnostics Page 6C1-2–43

6 Remove the upper intake manifold assembly, refer to 6A1 Engine Mechanical – V6.
NOTE
After removing the upper intake manifold, plug
the lower manifold opening to prevent dirt and
other contaminants from entering.
7 Connect Tool No. J 39021 Fuel Injector Tester (1), and Tool No. J 44602 (3) to the fuel injector connector. Refer to Figure 6C1-2 – 14.

Figure 6C1-2 – 14
Legend
1 Fuel Injector Tester – Special Tool J39021
2 Fuel Pressure Gauge – Special Tool SD28018
3 Fuel Injector Harness Adapter – Special Tool J44602
4 To Battery Positive Terminal 5 Battery Earth
6 First Pressure Reading
7 Second Pressure Reading
8 Connect the fuel injector tester battery positive lead (4) and battery negative lead (5) to the battery, refer to Figure 6C1-2 – 14.
9 Set the amperage supply selector of the fuel injector tester to the Balance Test 0.5 – 2.5 A position.

As the fuel pressure tends to increase after
the fuel injector stops fuel delivery, record the
fuel pressure value immediately after the fuel
injector stops fuel delivery. Do not record the
higher fuel pressure value.
10 Press the Push to Start Test Button on the fuel injector tester to activate the fuel injector.
11 Record the fuel pressure reading indicated by the fuel pressure gauge.
NOTE
The fuel pressure readings taken in Step 10 is
known as the second pressure reading
12 Repeat the balance test pressure reading for each fuel injector.
13 Perform the Fuel Injector Pressure Drop Calculation in this Section.

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Engine Management – V6 – Diagnostics Page 6C1-2–44

Fuel Injector Pressure Drop Calculation
Fuel Injector Balance Test Example – Typical Values Shown
Cylinder 1 2 3 4 5 6
1st Pressure Reading 360 kPa 360 kPa 360 kPa 360 kPa 360 kPa 360 kPa
2nd Pressure
Reading 155 kPa 131 kPa 155 kPa 200 kPa 146 kPa 150 kPa
Amount of Pressure
Drop 205 kPa 229 kPa 205 kPa 160 kPa 214 kPa 210 kPa
Average Range
194 - 214 kPa Injector
OK Replace fuel
injector – too much pressure drop Injector
OK Replace fuel
injector – too little pressure drop Injector
OK Injector
OK
Figure 6C1-2 – 15
1 Subtract the second pressure reading from the first pressure reading to calculate the pressure drop value. Refer to the table in Figure 6C1-2 – 15, typical results.
2 Calculate the pressure drop value for each fuel injector.
3 Add all the individual pressure drop values of each fuel injector to calculate the total pressure drop.
4 Divide the total pressure drop by the number of fuel injectors to calculate the average pressure drop.
Fuel Injector Pressure Drop Analysis
1 A fuel injector is faulty if its pressure drop value deviates from the average pressure drop by more than 10 kPa.

Do not repeat any portion of the test before
running the engine to prevent the engine from
flooding.
2 Re-test any fuel injector that does not meet the specification.
3 Replace all faulty fuel injectors, refer to 2.13 Fuel Rail Assembly, in 6C1-3 Engine Management – V6 – Service Operations.
6.4 Fuel Injector Leak Down Test
1 Turn the ignition switch OFF.
NOTE
After removing the upper intake manifold, plug
the lower manifold opening to prevent dirt and
other contaminants from entering.
2 Remove the upper intake manifold assembly, refer to 6A1 Engine Mechanical – V6.

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Engine Management – V6 – Diagnostics Page 6C1-2–45


Clean around the area where the fuel
injectors enter the lower intake manifold.
3 Remove the bolt (1), three places, attaching the fuel rail to the lower intake manifold.

Care must be taken when removing the fuel
rail and injector assembly to prevent damage
to the injector spray tips and injector harness
connector terminals.
Support the fuel rail and injector assembly
after removal.
4 Lift up and support the fuel rail and injector assembly.
NOTE
Do not disconnect the fuel feed hose from the
fuel rail.
Figure 6C1-2 – 16
5 Place a board (1) with a sheet of clean paper (2), preferably white, onto the lower intake manifold.
6 Using Tech 2, enable the fuel pump to pressurise the fuel system.
7 W hilst the fuel system is pressurised, check the following:
• Signs of fuel stains on the paper (3).
• Signs of weeping at the fuel injector spray
tips (4).
8 If any of the above conditions are present, replace the leaking fuel injector/s, refer to 2.13 Fuel Rail
Assembly, in 6C1-3 Engine Management – V6 –
Service Operations.
9 Carefully reinstall the fuel rail and injector assembly.
Figure 6C1-2 – 17

Ensure the fuel injectors are correctly seated
in the lower intake manifold, and the fuel rail
attaching brackets are correctly located prior
to tightening the attaching bolts.
10 Tighten the fuel rail bolts to the correct torque specification. Fuel rail attaching bolt
torque specification ..................................8.0 – 12.0 Nm
11 Reinstall the upper intake manifold assembly, refer to 6A1 Engine Mechanical – V6.
12 Inspect the fuel rail and quick connect fitting for leaks, refer to 6C Fuel System – V6.
13 Road test the vehicle and check for correct operation.

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Engine Management – V6 – Diagnostics Page 6C1-2–46

6.5 Alcohol / Contaminants in Fuel
Diagnosis
Description
W ater contamination in the fuel system may cause driveability conditions such as hesitation, stalling, no start, or
misfires in one or more cylinders. W ater may collect near a single fuel injector at the lowest point in the fuel rail, and
cause a misfire in that cylinder. If the fuel system is contaminated with water, inspect the fuel system components for
rust, or deterioration.
Alcohol (e.g. Ethanol) concentrations more than 10% in the fuel can be detrimental to fuel system components. Alcohol
contamination may cause fuel system corrosion, deterioration of rubber components, and subsequent fuel filter
restriction. Fuel contaminated with alcohol may cause driveability conditions such as hesitation, lack of power, stalling,
or no start. Some types of alcohol are more detrimental to fuel system components than others.
Alcohol in Fuel Testing Procedure
NOTE
The procedures detailed are not intended to be
accurate but rather, indicative of a contamination
situation.
The fuel sample should be drawn from the bottom of the tank so that any water present in the tank will be detected. The
sample should be bright and clear. If alcohol contamination is suspected, then use the following procedure to test the
fuel quality.
• Using a 100 ml graduated cylinder with 1 ml marks, fill the cylinder with fuel to the 90 ml mark.
• Add 10 ml of water to bring the total fluid volume to 100 ml and install a stopper.
• Shake the cylinder vigorously for 10 – 15 seconds.
• Carefully loosen the stopper to release the pressure.
• Re-install the stopper and shake the cylinder vigorously again for 10 – 15 seconds.
• Put the cylinder on a level surface for approximately 5 minutes to allow adequate liquid separation.
If alcohol is present in the fuel, the volume of the lower layer, that now contains both alcohol and water, will be more
than 10 ml. For example, if the volume of the lower layer is increased to 15 ml, this indicates at least 5 percent alcohol in
the fuel. The actual amount of alcohol may be somewhat more because this procedure does not extract all of the
alcohol from the fuel. To obtain an accurate determination of the amount of alcohol contamination in a given fuel sample,
then professional analysis should be sought.
Particulate Contaminants in Fuel Testing Procedure
The fuel sample should be drawn from the bottom of the tank so that any contaminants present in the tank will be
detected. The sample should be bright and clear. If the sample appears cloudy or contaminated with water as indicated
by a water layer at the bottom of the sample, use the following procedure to diagnose the fuel.
• Using an approved fuel container, draw approximately 0.5 litre of fuel.
• Place the cylinder on a level surface for approximately 5 minutes to allow settling of the particulate contamination.
Particulate contamination will show up in various shapes and colours. Sand will typically be identified by a white or light
brown crystals. Rubber will appear as black and irregular particles. If particles are found, clean the entire fuel system
thoroughly. Refer to 6C Fuel System – V6.
6.6 Crankshaft Position (CKP) System
Variation Learn Procedure
Description
The crankshaft position system variation learn feature is carried out automatically on the HFV6 engine under decel with
fuel cut. The road speed and duration of the self-learn process varies with different vehicle equipment levels such as
transmission, final drive ratio etc.
The variation learn procedure cannot be over-written, nor can it be accessed with Tech 2.

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Engine Management – V6 – Diagnostics Page 6C1-2–47

6.7 Throttle Body Relearn
A throttle body relearn procedure is performed in one of two ways:
• Engine Control Module initiated throttle body relearn, or
• Tech 2 initiated throttle body relearn.
Engine Control Module Throttle Body Relearn
The engine control module (ECM) will automatically perform a throttle body relearn procedure if either of the following
conditions exist:
• The battery has been disconnected, or
• The ignition switch is in the ON position for greater than 29 seconds, and the following conditions are met:
− Engine speed is less than 40 rpm,
− Vehicle speed is 0 km/h,
− Engine coolant temperature is 5 – 60°C,
− Intake air temperature is 5 – 60°C,
− Accelerator pedal position sensor angle is less than 14.9%, and
− Ignition voltage is greater than 10 V.
Tech 2 Throttle Body Relearn
To perform a throttle body relearn using Tech 2, complete the following procedure:
NOTE
Tech 2 will not initiate a throttle body relearn if
the engine is running.
1 Connect Tech 2 to the data link connector (DLC) and turn the ignition on.
2 On Tech 2 select Engine / Programming / Throttle Body Relearn.
3 W hen Tech 2 displays ‘Do you really want to Reset?’, press the ‘Yes’ soft key.
4 W hen Tech 2 displays ‘Programming Completed’, and the electronic throttle control value displayed by Tech 2 is ‘11’, press the ‘Confirm’ soft key to return to the Tech 2 Programming screen.
5 The throttle body relearn is now complete.
6.8 Electronic Ignition (EI) System Diagnosis
Circuit Description
The engine control module (ECM) controls the ignition coils by pulsing the ignition control (IC) circuits, which triggers an
ignition coil and fires the spark plug. The ECM controls the sequencing and the timing of each ignition coil. The ignition
system consist of the following components:
• The six ignition coils
• The crankshaft position (CKP) sensor
• The four camshaft position (CMP) sensors
• The ECM
The ignition coils use the following circuits:
• An IC circuit
• An ignition 1 voltage circuit
• Two ground circuits

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Engine Management – V6 – Diagnostics Page 6C1-2–48

Additional Information
• Use the J 35616-B Connector Test Adapter Kit for any test that requires probing the ECM harness connector or a
component harness connector.
• Inspect the ignition coils for aftermarket devices. An aftermarket device connected to the ignition coil circuits, may
cause a condition with the ignition coils.
• For an intermittent fault condition, refer to 5.2 Intermittent Fault Conditions in this Section.
• To assist diagnosis, refer to 3 W iring Diagrams and Connector Charts in this Section, for the system wiring
diagram and connector charts.
Test Description
The numbers below refer to the step numbers on the diagnostic table.
4 The ignition coils for each bank are fused separately. If a fuse opens or the ignition 1 voltage circuit opens between the fuse and the splice, all the ignition coils for one bank of the engine would be inoperative. If the ground
circuit opens at the engine block, the ignition coils would be inoperative for one bank of the engine.
5 This step tests for an open or a high resistance in the ignition 1 voltage circuit of the ignition coil. If the DMM does not display near battery voltage there is an open or a high resistance in the circuit.
6 This step determines if the ground circuit is open. If the circuit is open, the ignition coils would be inoperative for one bank of the engine.
7 This step determines if the ignition 1 voltage circuit is shorted to ground. If the fuse is open, the ignition coils would be inoperative for one bank of the engine.
Diagnostic Table
Step Action Value(s) Yes No
1
Has the Diagnostic System Check been performed? —
Go to Step 2 Refer to
4.4 Diagnostic System Check
2 W ere you sent here from DTC P0300 or P0301-P0306? —
Go to Step 3 Go to DTC P0300 or
DTC P0301 – P0306
3 1 Start the engine.
2 Allow the engine to reach operating temperature.
3 Operate the engine at 2,000 rpm.
4 Monitor all of the Misfire Current Counters with a scan tool. There are a total of 6 counters,
1 counter per cylinder.
Are any of the Misfire Current Counters incrementing? —
Go to Step 4 Go to
5.2 Intermittent Fault Conditions
4 Are all the misfire counters incrementing for one bank
of the engine? —
Go to Step 7 Go to Step 5
5 1 Ignition OFF.
2 Disconnect the appropriate ignition coil.
3 Ignition ON, engine OFF.
4 Connect a test lamp between the battery voltage circuit of the ignition coil and a good ground.
5 Measure the voltage between the probe of the test lamp and a good ground with a DMM. Refer
to 8A Electrical - Body and Chassis for the
procedure to measure voltage drop.
Is the voltage at the specified value? B+
Go to Step 6 Go to Step 9

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Engine Management – V6 – Diagnostics Page 6C1-2–49

6 1 Connect the test lamp between the battery
voltage circuit of the ignition coil and to each
ground circuit of the ignition coil.
Does the test lamp illuminate at each ground circuit? —
Go to Step 8 Go to Step 10
7 1 Test the battery voltage circuit for an open or high
resistance at the splice of the affected bank of
ignition coils. Refer to 8A Electrical - Body and
Chassis for circuit testing procedures.
Did you find and correct the condition? —
Go to Step 12 Go to Step 10
8 1 Test for an intermittent and for a poor connection
at the ignition coil. Refer to 8A Electrical - Body
and Chassis for circuit testing procedures.
Did you find and correct the condition? —
Go to Step 12 Go to Step 11
9 NOTE
The battery voltage circuit is shared with
other components. Disconnecting a
component on the shared battery voltage
circuit may isolate a shorted component.
Review the electrical schematic and
diagnose the shared circuits and
components.
1 Repair a short to ground, an open or high resistance in the ignition 1 voltage circuit. Refer to
Refer to 8A Electrical - Body and Chassis for
wiring repair procedures.
2 Replace the fuse as necessary.
Did you complete the repair? —
Go to Step 12 —
10 1 Repair the open or high resistance in the ground
circuit. Refer to 8A Electrical - Body and Chassis
for wiring repair procedures.
Did you complete the repair? —
Go to Step 12 —
11 1 Replace the ignition coil. Refer to 2.15 Ignition
Coils, in 6C1-3 Engine Management – V6 –
Service Operations.
Did you complete the replacement? —
Go to Step 12 —
12 1 Connect all disconnected components.
2 Use Tech 2 to clear the DTC/s.
3 Start the engine.
4 Observe the Capture Info with Tech 2.
Do any of the misfire counters increment? —
Go to Step 2 Go to Step 13
13 1 Using Tech 2, select the DTC display function.
Does Tech 2 display any DTCs? — Go to the
appropriate DTC
Table in this Section System OK
When all diagnosis and repairs are completed, clear all DTCs and verify correct operation


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Engine Management – V6 – Diagnostics Page 6C1-2–50

7 Diagnostic Trouble Code Tables
7.1 DTC List
As a number of diagnostic tables cater for multiple DTC numbers, a specific DTC table may be difficult to locate.
To make a specific DTC diagnostic table easier to find, the next list is arranged in numerical ascending order.
The actual diagnostic table can be located by selecting the link provided.
DTC Description Diagnostic Table
P0008 Engine Position System Performance (Bank 1) 7.2 DTC P0008, P0009 or P0016
P0009 Engine Position System Performance (Bank 2) 7.2 DTC P0008, P0009 or P0016
P0016 Crankshaft / Intake Camshaft Position not Plausible
(Bank 1) 7.2 DTC P0008, P0009 or P0016
P0030 O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1) 7.3 DTC P0030, P0031, P0032, P0036,
P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058
P0031 O2 Sensor Heater Circuit Low Voltage (Bank 1, Sensor 1) 7.3 DTC P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058
P0032 O2 Sensor Heater Circuit High Voltage (Bank 1, Sensor 1) 7.3 DTC P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058
P0036 O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 2) 7.3 DTC P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058
P0037 O2 Sensor Heater Circuit Low Voltage (Bank 1, Sensor 2) 7.3 DTC P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058
P0038 O2 Sensor Heater Circuit High Voltage (Bank 1, Sensor 2) 7.3 DTC P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058
P0040 O2 Sensor Signals Not Plausible (Bank 1, Sensor 1 & Bank 2, Sensor 1) 7.4 DTC P0040 or P0041
P0041 O2 Sensor Signals Not Plausible (Bank 1, Sensor 2 &
Bank 2, Sensor 2) 7.4 DTC P0040 or P0041
P0050 O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 1) 7.3 DTC P0030, P0031, P0032, P0036,
P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058
P0051 O2 Sensor Heater Circuit Low Voltage (Bank 2, Sensor 1) 7.3 DTC P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058
P0052 O2 Sensor Heater Circuit High Voltage (Bank 2, Sensor 1) 7.3 DTC P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058
P0053 O2 Sensor Heater Resistance Range / Performance (Bank 1, Sensor 1) 7.5 DTC P0053 or P0059
P0056 O2 Sensor Heater Circuit Malfunction (Bank 2, Sensor 2) 7.3 DTC P0030, P0031, P0032, P0036,
P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058
P0057 O2 Sensor Heater Circuit Low Voltage (Bank 2, Sensor 2) 7.3 DTC P0030, P0031, P0032, P0036, P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058

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Engine Management – V6 – Diagnostics Page 6C1-2–51

DTC Description Diagnostic Table
P0058 O2 Sensor Heater Circuit High Voltage (Bank 2, Sensor 2) 7.3 DTC P0030, P0031, P0032, P0036,
P0037, P0038, P0050, P0051, P0052,
P0056, P0057 or P0058
P0059 O2 Sensor Heater Resistance Range / Performance (Bank 2, Sensor 1) 7.5 DTC P0053 or P0059
P0101 Mass Air Flow Sensor Circuit Range / Performance 7.6 DTC P0101, P0102 or P0103
P0102 Mass Air Flow Sensor Voltage Low
7.6 DTC P0101, P0102 or P0103
P0103 Mass Air Flow Sensor Voltage High 7.6 DTC P0101, P0102 or P0103
P0112 Intake Air Temperature Sensor Circuit Low Voltage 7.7 DTC P0112 or P0113
P0113 Intake Air Temperature Sensor Circuit High Voltage 7.7 DTC P0112 or P0113
P0116 Engine Coolant Temperature Sensor Circuit Range /
Performance 7.8 DTC P0116, P0117, P0118, P0125 or
P1258
P0117 Engine Coolant Temperature Sensor Circuit Low Voltage 7.8 DTC P0116, P0117, P0118, P0125 or P1258
P0118 Engine Coolant Temperature Sensor Circuit High Voltage 7.8 DTC P0116, P0117, P0118, P0125 or P1258
P0121 Throttle Position Sensor 1 Circuit Range / Performance 7.9 DTC P0121, P0122, P0123, P0221, P0222,or P0223
P0122 Throttle Position Sensor 1 Circuit Low Voltage 7.9 DTC P0121, P0122, P0123, P0221,
P0222,or P0223
P0123 Throttle Position Sensor 1 Circuit High Voltage 7.9 DTC P0121, P0122, P0123, P0221,
P0222,or P0223
P0125 Insufficient Engine Coolant Temperature For Closed Loop Fuel Control 7.8 DTC P0116, P0117, P0118, P0125 or
P1258
P0130 O2 Sensor Circuit Malfunction (Bank 1, Sensor 1) 7.10 DTC P0130, P0131, P0132, P0135, P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0131 O2 Sensor Circuit Low Voltage (Bank 1, Sensor 1) 7.10 DTC P0130, P0131, P0132, P0135, P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0132 O2 Sensor Circuit High Voltage (Bank 1 Sensor 1) 7.10 DTC P0130, P0131, P0132, P0135, P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0133 O2 Sensor Circuit Slow Response (Bank 1 Sensor 1) 7.11 DTC P0133 or P0153
P0135 O2 Sensor Heater Circuit Range / Performance (Bank 1, Sensor 1) 7.10 DTC P0130, P0131, P0132, P0135,
P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0137 O2 Sensor Circuit Low Voltage (Bank 1, Sensor 2) 7.10 DTC P0130, P0131, P0132, P0135, P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298

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DTC Description Diagnostic Table
P0138 O2 Sensor Circuit High Voltage (Bank 1, Sensor 2) 7.10 DTC P0130, P0131, P0132, P0135,
P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0139 O2 Sensor Slow Response (Bank1 Sensor 2) 7.12 DTC P0139 or P0159
P0140 O2 Sensor Circuit No Activity Detected (Bank 1
Sensor 2) 7.10 DTC P0130, P0131, P0132, P0135,
P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0141 O2 Sensor Heater Circuit Range / Performance (Bank 1, Sensor 2) 7.10 DTC P0130, P0131, P0132, P0135,
P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0150 O2 Sensor Circuit Malfunction (Bank 2, Sensor 1) 7.10 DTC P0130, P0131, P0132, P0135, P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0151 O2 Sensor Circuit Low Voltage (Bank 2, Sensor 1) 7.10 DTC P0130, P0131, P0132, P0135, P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0152 O2 Sensor Circuit High Voltage (Bank 2, Sensor 1) 7.10 DTC P0130, P0131, P0132, P0135, P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0153 O2 Sensor Circuit Slow Response (Bank 2 Sensor 1) 7.11 DTC P0133 or P0153
P0155 O2 Sensor Heater Circuit Range / Performance (Bank 2, Sensor 1) 7.10 DTC P0130, P0131, P0132, P0135,
P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0157 O2 Sensor Circuit Low Voltage (Bank 2, Sensor 2) 7.10 DTC P0130, P0131, P0132, P0135, P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0158 O2 Sensor Circuit High Voltage (Bank 2, Sensor 2) 7.10 DTC P0130, P0131, P0132, P0135, P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0159 O2 Sensor Slow Response (Bank1 Sensor 2) 7.12 DTC P0139 or P0159
P0160 O2 Sensor Circuit No Activity Detected (Bank 2, Sensor 2) 7.10 DTC P0130, P0131, P0132, P0135,
P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298
P0161 O2 Sensor Heater Circuit Range / Performance (Bank 2, Sensor 2) 7.10 DTC P0130, P0131, P0132, P0135,
P0137, P0138, P0140, P0141, P0150
P0151, P0152, P0155, P0157, P0158,
P0160, P0161, P2243, P2247, P2270,
P2271, P2272, P2273, P2297 or P2298

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