19-26 19-26 Electrical System Troubleshooting Inspection 1: Carry out O 2 sensor individual inspection. Ignition key switch OFF, disconnect C1, connect A35 1 2 3 4 Standard: (Sensor side) C1 Inspection 2: Carry out O 2 sensor heater power voltage inspection. Ignition key switch OFF, diconnect C1, connect A35, start engine Standard: Inspection 3: Inspect for continuity and short circuiting of the harness. Ignition key switch OFF, disconnect A35 and C1 Standard: Section 19 C1-2 ~ C1-1 13 ~ 16 Ω (20°C) C1-2 ~ Frame 8 ~ 16 V A35-6 ~ C1-1 Continuity A35-6 ~ Frame No continuity