ENGINE GENERAL INFORMATION AND DIAGNOSIS (H25 ENGINE) 6-1-71
DTC P0130 (Vehicle without Diagnosis Connector) HO2S (Bank-1 Sensor-1)
Circuit Malfunction
WIRING DIAGRAM
DTC DETECTING CONDITION AND TROUBLE AREA
[A] : Terminal arrangement of ECM (PCM) coupler viewed form harness side 2. HO2S 4. “IG COIL” fuse
1. HO2S heater relay 3. Main fuse
DTC DETECTING CONDITION TROUBLE AREA
• Minimum HO2S voltage is 0.4 V or higher.
• Maximum HO2S voltage is higher than 1.2 V or less than
0.6 V.
HO2S
HO2S circuit
Fuel injector
Fuel pressure control system
ECM (PCM)
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