19-29 Electrical System Troubleshooting z Error codes 03-1, 03-2 (Intake pipe negative pressure sensor abnormality) Related portion A35 G12 Probable cause c Intake pipe negative pressure sensor defect d Harness defect e Engine controller defect Error codes 03-1 and 03-2 Connector contact defect Harness defect Engine controller defect Intake pipe pressure sensor defect Inspection 1: Inspect for continuity and short circuiting of the harness. Ignition key switch OFF, disconnect A35 and G12 Standard:
Section 19 Engine controller 17 (VC) 15 3 (VC) REC TAB 18 (PIM) 8 2 (PIM) 28 (E2) 1 (E2) Intake pipe pressure sensor C 18 (PIM) E TAB 8 2 (PIM) R 28 (E2) 1 (E2) R Disconnect the battery negative terminal (for more than 10 seconds), after inspecting and correcting disconnection and water entry of G12, AG1, reconnect all connectors and the battery negative terminal, turn the ignition key switch ON (start the engine) and check whether or not there is an error. No error Error Inspection 1: Harness continuity and short circuit inspection OK Inspection 2: Intake pipe pressure sensor voltage inspection ANL.:
I/O ENGINE CTRL 3/10 OK A35-18 ~ G12-2 Continuity A35-28 ~ G12-1 Continuity A35-18 ~ A35-17 No continuity A35-17 ~ G12-3 Continuity A35-18 ~ Frame No continuity A35-17 ~ Frame No continuity