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PCS-18 < DTC/CIRCUIT DIAGNOSIS > [IPDM E/R] B2099 IGNITION RELAY OFF STUCK B2099 IGNITION RELAY OFF STUCK Description INFOID:0000000005240646 • IPDM E/R operates the ignition relay when it receives an ignition switch ON signal from BCM via CAN com- munication. • Turn the ignition relay OFF by pressing the push-button ignition switch once when the vehicle speed is 4 km/ h (2.5 MPH) or less. • Turn the ignition relay OFF with the following operation when the vehicle speed is more than 4 km/h (2.5 MPH) or when an abnormal condition occurs in CAN communication from the unified meter and A/C - Press and hold the push-button ignition switch for 2 seconds or more. DTC Logic INFOID:0000000005240647 DTC DETECTION LOGIC NOTE: When IPDM E/R power supply voltage is low (Approx. 7 - 8 V for about 1 second), the “DTC: B2099” may be detected. Diagnosis Procedure INFOID:0000000005240648 1. PERFORM SELF DIAGNOSIS 1. Turn the ignition switch ON. 2. Erase “Self Diagnostic Result”. 3. Turn the ignition switch OFF. 4. Turn the ignition switch ON. Check “Self Diagnostic Result” again. Is “IGN RELAY OFF” displayed? YES >> Replace IPDM E/R. NO >> Refer to GI-36, "Intermittent Incident" . DTC CONSULT-III dis- play description DTC Detection Condition Possible causes B2099 IGN RELAY OFF The ignition relay OFF is detected for 1 second at ignition switch ON Ignition relay malfunction |