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PCS-36 < ECU DIAGNOSIS INFORMATION > [IPDM E/R] IPDM E/R IGNITION RELAY CONTROL • IPDM E/R monitors the voltage at the contact circuit of the ignition relay inside it. FRONT WIPER CONTROL When a front wiper stop position signal is in the conditions listed below, IPDM E/R performs fail-safe control. DTC Inspection Priority Chart INFOID:0000000010499178 Voltage judgment IPDM E/R judgment Operation Ignition relay con- tact side Ignition relay con- trol condition ON ON Ignition relay ON normal — OFF OFF Ignition relay OFF normal — ON OFF Ignition relay ON stuck Detects DTC [B20DD: IGN RELAY ON CIRC] OFF ON Ignition relay OFF stuck Detects DTC [B20DE: IGN RELAY OFF CIRC] Ignition switch Front wiper switch Front wiper stop position signal Fail-safe operation ON Other than OFF The front wiper stop position signal (stop Front wiper: 20 seconds stop OFF The front wiper stop position signal does Priority DTC No. CONSULT display 1 U1000 CAN COMM CIRCUIT 2 B120E IPDM E/R [SYSTEM INTERNAL FAILURES] [NOT CONFIURED] B121D S/L LOCK PWR SPLY CIRC [CIRC SHORT TO GRND] 3 B20BD BATTERY CURRENT SENSOR [CIRC SHORT TO BATTERY] [CIRC SHORT TO GRND] [CIRC OPEN] [CMPNENT INTERNAL MLFNCTN] B20DB HEIGHT SENS INITIALIZE NOT DONE [MISSING CALIBRATION] [NOT CONFIURED] B20DD IGN RELAY ON CIRC [CIRC SHORT TO BATTERY] B20DE IGN RELAY OFF CIRC [CIRC SHORT TO GROUND OR OPEN] B20DF STARTER RELAY OFF CIRC [CIRC SHORT TO GROUND OR OPEN] |