Test
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Work Order Description
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Nominal Value
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T001
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Check: Diagnostic Trouble Code stored
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Read and record diagnostic trouble codes including status
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Is the diagnostic trouble code P0141 with status PRESENT stored?
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T002
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Check: Interruption of Voltage Supply Circuit
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- Ignition OFF
- Disconnect wiring harness connector from:
B57 Sensor - Oxygen, Catalytic Converter Check
- Remove electrical component from socket:
K2_X125 Relay - Engine Control Unit
- Connect fused jumper wire to:
K2_X125 Relay - Engine Control Unit Socket Terminal 87 & Battery voltage
- Measure voltage between the following terminals:
B57 Sensor - Oxygen, Catalytic Converter Check Wiring harness connector (wiring harness side) terminal 1 & Ground
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greater than 11 V
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T003
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Check: Short to Voltage of Ground Circuit
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- Remove fused jumper wire
- Disconnect wiring harness connector from:
M3 Motor - Radiator Fan and A84 Control Unit - Engine (Wiring Harness Connector (XC1) )
- Ignition ON
- Measure voltage between the following terminals:
B57 Sensor - Oxygen, Catalytic Converter Check Wiring harness connector (wiring harness side) terminal 2 & Ground
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less than 0.3 V
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T004
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Check: Component
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- Ignition OFF
- Measure resistance between the following terminals:
B57 Sensor - Oxygen, Catalytic Converter Check Wiring harness connector (component side) terminal 1 & B57 Sensor - Oxygen, Catalytic Converter Check Wiring harness connector (component side) terminal 2
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4 ... 12 Ohm
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T005
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Check: Component
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- Measure resistance between the following terminals:
B57 Sensor - Oxygen, Catalytic Converter Check Wiring harness connector (component side) terminal 1 & Ground
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greater than 500 kOhm
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T006
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Check: Component
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- Ignition OFF
- Measure resistance between the following terminals:
B57 Sensor - Oxygen, Catalytic Converter Check Wiring harness connector (component side) terminal 1 & B57 Sensor - Oxygen, Catalytic Converter Check Wiring harness connector (component side) terminal 2
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greater than 12 Ohm
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