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SEC-106 < DTC/CIRCUIT DIAGNOSIS > [WITH INTELLIGENT KEY SYSTEM] B20A0 CRANKING REQUEST CIRCUIT B20A0 CRANKING REQUEST CIRCUIT DTC Logic INFOID:0000000009650773 DTC DETECTION LOGIC NOTE: DTC CONFIRMATION PROCEDURE 1. PERFORM DTC CONFIRMATION PROCEDURE 1. Perform DTC CONFIRMATION PROCEDURE for DTC P1650. Refer to 2. Turn ignition switch ON. 3. Check DTC in “Self Diagnostic Result” mode of “IPDM E/R” using CONSULT. Is DTC detected? YES >> Refer to SEC-106, "Diagnosis Procedure" NO >> INSPECTION END Diagnosis Procedure INFOID:0000000009650774 1. CHECK CRANKING REQUEST SIGNAL 1. Turn ignition switch ON. 2. Check voltage between IPDM E/R harness connector and ground under the following conditions. Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK CRANKING REQUEST SIGNAL CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect IPDM E/R connector. 3. Disconnect ECM connector. 4. Check continuity between IPDM E/R harness connector and ECM harness connector. DTC No. Trouble diagnosis name DTC detecting condition Possible cause B20A0 STR CUT OFF SHORT When the following items do not match, a ECM (CAN) • Harness or connectors (CAN communication line is open or • Harness or connectors (Cranking request signal circuit is open or • IPDM E/R (+) (–) Condition Voltage (V) (Approx.) IPDM E/R Connector Terminal F12 71 Ground Ignition switch OFF 3.6 Ignition switch ON • Engine: Stopped 0 - 1 • Engine: Stopped Other than P 9 - 16 Engine running 9 - 16 |