Isuzu KB P190. Manual — part 834

Engine Management – V6 – Diagnostics

Page 6C1-2–58

DTC Description

Diagnostic

Table

P2189 Fuel Trim Lean during Idling/Deceleration (Bank 2)

7.53 DTC P2187 or P2189

P2190 Fuel Trim Rich during Idling/Deceleration (Bank 2)

7.54 DTC P2188 or P2190

P2195 B1S1 O2 Sensor – System Too Lean (Bank 1 Sensor 1)

7.55 DTC P2195 or P2197

P2196 B1S1 O2 Sensor – System Too Rich (Bank 1 Sensor 1)

7.56 P2196 or P2198

P2197 B2S1 O2 Sensor – System Too Lean (Bank 2 Sensor 1)

7.55 DTC P2195 or P2197

P2198 B2S1 O2 Sensor – System Too Rich (Bank 2 Sensor 1)

7.56 P2196 or P2198

P2227 Barometric Pressure Sensor Range / Performance

7.57 DTC P2227, P2228 or P2229

P2228 Barometric Pressure Sensor Voltage Low

7.57 DTC P2227, P2228 or P2229

P2229 Barometric Pressure Sensor Voltage High

7.57 DTC P2227, P2228 or P2229

P2231 O2 Sensor Signal Interference by Heater Circuit (Bank 1,

Sensor 1)

7.58 DTC P2231, P2232, P2234, P2235, P2251

or P2254

P2232 O2 Sensor Signal Short to Heater Circuit (Bank 1

Sensor 2)

7.58 DTC P2231, P2232, P2234, P2235, P2251

or P2254

P2234 O2 Sensor Signal Interference by Heater Circuit (Bank 2,

Sensor 1)

7.58 DTC P2231, P2232, P2234, P2235, P2251

or P2254

P2235 O2 Sensor Signal Short to Heater Circuit (Bank 2

Sensor 2)

7.58 DTC P2231, P2232, P2234, P2235, P2251

or P2254

P2237 O2 Sensor Pump Current Circuit Malfunction (Bank 1,

Sensor 1)

7.59 DTC P2237, P2238, P2239, P2240, P2241

or P2242

P2238 O2 Sensor Pump Current Circuit Low Voltage (Bank 1,

Sensor 1)

7.59 DTC P2237, P2238, P2239, P2240, P2241

or P2242

P2239 O2 Sensor Pump Current Circuit High Voltage (Bank 1,

Sensor 1)

7.59 DTC P2237, P2238, P2239, P2240, P2241

or P2242

P2240 O2 Sensor Pump Current Circuit Malfunction (Bank 2,

Sensor 1)

7.59 DTC P2237, P2238, P2239, P2240, P2241

or P2242

P2241 O2 Sensor Pump Current Circuit Low Voltage (Bank 2,

Sensor 1)

7.59 DTC P2237, P2238, P2239, P2240, P2241

or P2242

P2242 O2 Sensor Pump Current Circuit High Voltage (Bank 2,

Sensor 1)

7.59 DTC P2237, P2238, P2239, P2240, P2241

or P2242

P2243 O2 Sensor Voltage Signal 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

P2247 O2 Sensor Voltage Signal 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

P2251 O2 Sensor Ground Circuit Malfunction (Bank 1, Sensor 1)

7.58 DTC P2231, P2232, P2234, P2235, P2251

or P2254

P2254 O2 Sensor Ground Circuit Malfunction (Bank 2, Sensor 1)

7.58 DTC P2231, P2232, P2234, P2235, P2251

or P2254

P2270 O2 Sensor Lean / Rich Switch Signal Malfunction (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

Engine Management – V6 – Diagnostics

Page 6C1-2–59

DTC Description

Diagnostic

Table

P2271 O2 Sensor Rich / Lean Switch Signal Malfunction (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

P2272 O2 Sensor Lean / Rich Switch Signal Malfunction (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

P2273 O2 Sensor Rich / Lean Switch Signal Malfunction (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

P2297 O2 Sensor Range / Performance During Deceleration Fuel

Cutoff (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

P2298 O2 Sensor Range / Performance During Deceleration Fuel

Cutoff (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

P2300 Ignition Coil Cylinder 1 Circuit Low Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

P2301 Ignition Coil Cylinder 1 Circuit High Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

P2303 Ignition Coil Cylinder 2 Circuit Low Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

P2304 Ignition Coil Cylinder 2 Circuit High Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

P2306 Ignition Coil Cylinder 3 Circuit Low Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

P2307 Ignition Coil Cylinder 3 Circuit High Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

P2309 Ignition Coil Cylinder 4 Circuit Low Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

P2310 Ignition Coil Cylinder 4 Circuit High Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

Engine Management – V6 – Diagnostics

Page 6C1-2–60

DTC Description

Diagnostic

Table

P2312 Ignition Coil Cylinder 5 Circuit Low Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

P2313 Ignition Coil Cylinder 5 Circuit High Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

P2315 Ignition Coil Cylinder 6 Circuit Low Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

P2316 Ignition Coil Cylinder 6 Circuit High Voltage

7.22 DTC P0351, P0352, P0353, P0354,

P0355, P0356, P2300, P2301, P2303,
P2304, P2306, P2307, P2309, P2310,
P2312, P2313, P2315 or P2316

P2500 Alternator L Terminal Low Voltage

7.44 DTC P1668, P2500 or P2501

P2501 Alternator L Terminal High Voltage

7.44 DTC P1668, P2500 or P2501

P2626 O2 Sensor Pump Current Trim Circuit Malfunction (Bank 1,

Sensor 1)

7.59 DTC P2237, P2238, P2239, P2240, P2241

or P2242

P2629 O2 Sensor Pump Current Trim Circuit Malfunction (Bank 2,

Sensor 1)

7.59 DTC P2237, P2238, P2239, P2240, P2241

or P2242

U0001 No Communication with CAN-Bus (High Speed)

7.61 DTC U0001

U0101 CAN-Bus No Communication With TCM (Transmission

Control Module)

7.62 DTC U0101

U0155 CAN-Bus No Communication With Gateway

7.63 DTC U0155 or U0423

U0423 CAN-Bus Invalid Data From Gateway

7.63 DTC U0155 or U0423

7.2

DTC P0008, P0009 or P0016

DTC Descriptor

This diagnostic procedure supports the following DTCs:

•

DTC P0008 – Engine Position System Performance (Bank 1)

•

DTC P0009 – Engine Position System Performance (Bank 2)

•

DTC P0016 – Crankshaft / Intake Camshaft Position Not Plausible (Bank 1)

Circuit Description

The engine control relay applies ignition positive battery voltage to the camshaft position (CMP) actuator solenoids
through the ignition voltage circuit.

Using a device called a driver, the ECM applies a pulse width modulated (PWM) ground to the individual CMP solenoid
control circuit. This controls the oil pressure that advances or retards each camshaft position.

The ECM compares the camshaft position to the crankshaft position to detect CMP system malfunction. A CKP / CMP
sensor correlation DTC sets if the ECM detects a deviation between the target position of the camshaft and the
crankshaft position.

Conditions for Running the DTC

DTC P0008 or P0009

Run continuously once the following conditions are met.

Engine Management – V6 – Diagnostics

Page 6C1-2–61

•

DTCs P0341, P0342, P0343, ran and passed:

•

The engine is running.

•

The ECM has learned the camshafts position.

DTC P0016

Run continuously once the following conditions are met.

•

DTCs P0335, P0336, P0338, P0341, P0342 and P0343 ran and passed:

•

The calculated engine oil temperature is less than 95

°C.

•

The engine coolant temperature is 20 – 90

°C.

•

The engine is running for greater than 5 seconds.

Conditions for Setting the DTC

DTC P0008

The ECM detects that both camshafts on bank 1 of the engine are misaligned with the crankshaft.

DTC P0009

The ECM detects that both camshafts on bank 2 of the engine are misaligned with the crankshaft.

DTC P0016

The ECM detects the following deviation in the correlation between the camshaft position and the crankshaft position for
greater than 10 minutes:

•

a camshaft position is too advanced in relationship to the crankshaft, or

•

a camshaft position is too retarded in relationship to the crankshaft.

Conditions for Clearing DTC

The CKP / CMP sensor correlation DTCs are Type B DTCs. Refer to 1.4 Diagnostic Trouble Codes in this Section, for
action taken when Type B DTCs set and conditions for clearing Type B DTCs.

Additional Information

•

Refer to 6C1-1 Engine Management – V6 – General Information for details of the CMP system operation.

•

Inspect the engine for recent engine mechanical repairs. Incorrect camshaft, camshaft actuator or timing chain
installation will trigger these DTCs.

•

The engine oil condition has a major impact on the operation of the camshaft actuator.

•

A low oil level may set these DTCs.

•

For an intermittent fault condition, refer to 5.2

Intermittent Fault Conditions in this Section.

•

Since fault condition in a wiring connector may trigger DTCs, always test the connectors related to this diagnostic
procedure for shorted terminals or poor wiring connection before replacing any component. Refer to 8A Electrical -
Body and Chassis for information on electrical fault diagnosis.

•

To assist diagnosis, refer to 3

Wiring Diagrams and Connector Charts in this Section, for the system wiring

diagram and connector charts.

Test Description

The following numbers refer to the step numbers in the diagnostic table:

3

A fault condition in any of the listed sensors will trigger these DTCs.

5

Incorrect camshaft, camshaft actuator or timing chain installation will trigger these DTCs.