Test
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Work Order Description
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Nominal Value
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T001
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Check: Short to Voltage of Signal Circuit
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- Ignition OFF
- Disconnect wiring harness connector from:
M3 Motor - Radiator Fan and A84 Control Unit - Engine (Wiring Harness Connector (XC1) ) and B65 Sensor - Knock Control
- Ignition ON
- Measure voltage between the following terminals:
A84 Control Unit - Engine Wiring harness connector (wiring harness side) terminal 52 (XC1) & Ground
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less than 0.3 V
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T002
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Check: Short to Voltage of Signal Circuit
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- Measure voltage between the following terminals:
A84 Control Unit - Engine Wiring harness connector (wiring harness side) terminal 20 (XC1) & Ground
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less than 0.3 V
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T003
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Check: Interruption of Signal Circuit
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- Measure resistance between the following terminals:
A84 Control Unit - Engine Wiring harness connector (wiring harness side) terminal 20 (XC1) & B65 Sensor - Knock Control Wiring harness connector (wiring harness side) terminal 2
Note:
Wiring colours: BK=Black, BN=Brown, BU=Blue, GD=Gold, GN=Green, GY=Grey, OG=Orange, PK=Pink, RD=Red, SR=Silver, TQ=Turquoise, VT=Violet, WH=White, YE=Yellow, L=Light, D=Dark
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less than 5 Ohm
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T004
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Check: Interruption of Signal Circuit
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- Ignition OFF
- Measure resistance between the following terminals:
A84 Control Unit - Engine Wiring harness connector (wiring harness side) terminal 52 (XC1) & B65 Sensor - Knock Control Wiring harness connector (wiring harness side) terminal 1
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less than 5 Ohm
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T005
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Check: Short Circuit in Wiring Harness
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- Measure resistance between the following terminals:
A84 Control Unit - Engine Wiring harness connector (wiring harness side) terminal 52 (XC1) & A84 Control Unit - Engine Wiring harness connector (wiring harness side) terminal 20 (XC1)
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greater than 500 kOhm
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T006
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Check: Short to Ground of Signal Circuit
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- Measure resistance between the following terminals:
A84 Control Unit - Engine Wiring harness connector (wiring harness side) terminal 52 (XC1) & Ground
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greater than 500 kOhm
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T007
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Check: Short to Ground of Signal Circuit
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- Measure resistance between the following terminals:
A84 Control Unit - Engine Wiring harness connector (wiring harness side) terminal 20 (XC1) & Ground
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greater than 500 kOhm
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