MPV ES V6-2.5L DOHC (2001)
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If there is no continuity, the circuit is open. Repair or replace the harness.
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HO2S (Front, RH) terminal A (harness-side) and 104 pin breakout box terminal 60
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HO2S (Front, RH) terminal B (harness-side) and 104 pin breakout box terminal 91
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HO2S (Rear, RH) terminal A (harness-side) and 104 pin breakout box terminal 35
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HO2S (Rear, RH) terminal B (harness-side) and 104 pin breakout box terminal A
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HO2S (Front, LH) terminal C (harness-side) and 104 pin breakout box terminal B
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HO2S (Front, LH) terminal D (harness-side) and 104 pin breakout box terminal A
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HO2S (Rear, LH) terminal C (harness-side) and 104 pin breakout box terminal B
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HO2S (Rear, LH) terminal D (harness-side) and 104 pin breakout box terminal 91
Short circuit
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If there is continuity, the circuit is shorted. Repair or replace the harness.
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HO2S (Front, RH) terminal A (harness-side) and body ground
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HO2S (Front, RH) terminal A (harness-side) and power supply
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HO2S (Front, RH) terminal B (harness-side) and body ground
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HO2S (Front, RH) terminal B (harness-side) and power supply
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HO2S (Rear, RH) terminal A (harness-side) and body ground
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HO2S (Rear, RH) terminal A (harness-side) and power supply
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HO2S (Rear, RH) terminal B (harness-side) and body ground
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HO2S (Rear, RH) terminal B (harness-side) and power supply
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HO2S (Front, LH) terminal A (harness-side) and body ground
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HO2S (Front, LH) terminal A (harness-side) and power supply
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HO2S (Front, LH) terminal B (harness-side) and body ground
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HO2S (Front, LH) terminal B (harness-side) and power supply
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HO2S (Rear, LH) terminal A (harness-side) and body ground
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HO2S (Rear, LH) terminal A (harness-side) and power supply
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HO2S (Rear, LH) terminal B (harness-side) and body ground
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HO2S (Rear, LH) terminal B (harness-side) and power supply
HO2S Heater Resistance Inspection
1. Disconnect the HO2S (front or rear) connector.
2. Measure the resistance between the following HO2S terminals.
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HO2S (Front, RH) and HO2S (Rear, RH)
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Terminal C and D
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HO2S (Front, LH) and HO2S (Rear, LH)
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Terminal C and D
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If not as specified, replace the HO2S.
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If the HO2S heater is okay, but PID value or any of PCM terminal 94, 93, 95, 96 voltage are out of specification, perform the "Circuit
Open/Short Inspection".
Specification
Front (RH, LH): 5.0 - 6.8 ohms
Rear (RH, LH): 14.1 - 18.9 ohms
Circuit Open/Short Inspection
1. Disconnect the PCM connector.
2. Connect the SST (104 Pin Breakout Box) with the PCM disconnected.
3. Tighten the connector attaching bolt.
Tightening torque
