Dtc P2122, P2123, P2127, P2128, Or P2138 - Suzuki XL7 2007 Service Manual

DTC P2122, P2123, P2127, P2128, or P2138

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: " provide an overview of each diagnostic
category.
DTC Descriptors
DTC P2122: Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage
DTC P2123: Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage
DTC P2127: Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage
DTC P2128: Accelerator Pedal Position (APP) Sensor 2 Circuit High Voltage
DTC P2138: Accelerator Pedal Position (APP) Sensor 1-2 Correlation
Diagnostic Fault Information
Circuit
Accelerator Pedal Position (APP) Sensor 1
5-Volt Reference Circuit
Accelerator Pedal Position (APP) Sensor 2
5-Volt Reference Circuit
Accelerator Pedal Position (APP) Sensor 1
Signal
Accelerator Pedal Position (APP) Sensor 2
Signal
Accelerator Pedal Position (APP) Sensor 1
Low Reference
Accelerator Pedal Position (APP) Sensor 2
Low Reference
Typical Scan Tool Data
APP Sensor
Circuit
Operating Conditions: The engine is operating at idle.
Parameter Normal Range: APP Sensor 1 0%/1 Volts
Parameter Normal Range: APP Sensor 2 0%/0.5 Volts
5-Volt Reference
APP Sensor 1 Signal
APP Sensor 2 Signal
APP Sensor 1 Low Reference
APP Sensor 2 Low Reference
Engine General Information and Diagnosis:
Short to High
Ground Resistance
P0343,
P0348,
P0368, P2122,
P0393, P2138
P0652,
P2122
P0122,
P0222,
P0335, P2127,
P0642, P2138
P0698,
P0700
P2122 P2138
P2127 P2138
P2123,
—
P2138
P2127,
—
P2138
Short to Ground
0%/0.00 Volts
0%/0.00 Volts
0%/0.00 Volts
—
—
Short to
Open
Voltage
P0653,
P2122 P2138,
P2123
P0123,
P0221,
P0699,
P2127
P2138,
P2128,
P0700
P2122 P2123
P2127 P2128
P2123 —
P2128 —
Open Short to Voltage
0%/0.00 Volts 0%/4.98 Volts
0%/0.00 Volts 0%/4.98 Volts
0%/0.00 Volts 0%/4.98 Volts
0%/4.98 Volts
0%/4.98 Volts
1A-156
Signal
Performance
P0652,
P0653,
P2138
P0698,
P0699,
P2138
P2138
P2138
P2138
P2138
—
—