Suzuki XL7 2007 Service Manual page 202

1A-97 Engine General Information and Diagnosis:
– The HO2S is loose
– Exhaust leaks near the HO2S
– Engine vacuum leaks
➢ If you find any of the above conditions, repair as
necessary.
6. If all circuits/connections test normal, replace the
HO2S sensor.
DTC P0201, P0202, P0203, P0204, P0205, P0206, P0261, P0262, P0264, P0265, P0267, P0268,
P0270, P0271, P0273, P0274, P0276, or P0277
Diagnostic Instructions
• Perform the "Diagnostic System Check - Vehicle Diagnostic Information: " prior to using this diagnostic procedure.
• Review "Strategy Based Diagnosis: " for an overview of the diagnostic approach.
• "Diagnostic Procedure Instructions - Vehicle Diagnostic Information: " provides an overview of each diagnostic
category.
DTC Descriptors
DTC P0201: Injector 1 Control Circuit
DTC P0202: Injector 2 Control Circuit
DTC P0203: Injector 3 Control Circuit
DTC P0204: Injector 4 Control Circuit
DTC P0205: Injector 5 Control Circuit
DTC P0206: Injector 6 Control Circuit
DTC P0261: Injector 1 Control Circuit Low Voltage
DTC P0262: Injector 1 Control Circuit High Voltage
DTC P0264: Injector 2 Control Circuit Low Voltage
DTC P0265: Injector 2 Control Circuit High Voltage
DTC P0267: Injector 3 Control Circuit Low Voltage
DTC P0268: Injector 3 Control Circuit High Voltage
DTC P0270: Injector 4 Control Circuit Low Voltage
DTC P0271: Injector 4 Control Circuit High Voltage
DTC P0273: Injector 5 Control Circuit Low Voltage
DTC P0274: Injector 5 Control Circuit High Voltage
DTC P0276: Injector 6 Control Circuit Low Voltage
DTC P0277: Injector 6 Control Circuit High Voltage
Diagnostic Fault Information
Circuit
Ignition 1 Voltage
Injector 1 Control Circuit
Injector 2 Control Circuit
Injector 3 Control Circuit
Injector 4 Control Circuit
Injector 5 Control Circuit
Injector 6 Control Circuit
Repair Instructions
Perform the "Diagnostic Repair Verification - Vehicle
Diagnostic Information: " after completing the diagnostic
procedure.
• "Heated Oxygen Sensor Replacement - Bank 1
Sensor 1: "
• "Heated Oxygen Sensor Replacement - Bank 2
Sensor 2: "
• "Control Module References: " for engine control
module replacement, setup, and programming
Short to Open/High
Ground Resistance
P0201, P0202, P0201, P0202,
P0203, P0204, P0203, P0204,
P0205, P0206 P0205, P0206
P0261 P0201
P0264 P0202
P0267 P0203
P0270 P0204
P0273 P0205
P0276 P0206
Signal
Short to Voltage
Performance
—
P0262
P0265
P0268
P0271
P0274
P0277
—
—
—
—
—
—
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