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11A-42 IMMOBILIZER SYSTEM (C24SE, 4JA1-T) Step Action Value(s) Yes No 9 Check the immobilizer programming functions. (Refer to "Important information on Programming") Was the action complete? Go to Step 10 Go to Step 11 10 Recheck the DTC on ECM. 1. Key position is “OFF” and keep the position for more than 30 seconds. 2. Key position is “ON”. 3. Check the DTC on scan tool. Are below DTCs stored? P1649 (C24SE) Go to Step 11 Go to Step 12 11 Replace the engine control module (ECM). IMPORTANT: The replacement ECM must be Was the action complete? Go to Step 12 12 Recheck the DTC on ECM. 1. Key position is “OFF” and keep the position for more than 30 seconds. 2. Key position is “ON”. 3. Check the DTC on scan tool. Are below DTCs stored? P1626 (C24SE) Go to Step 13 Go to Step 2 13 Replace the immobilizer control unit (ICU). IMPORTANT: The replacement ICU must be Was the action complete? Verify repair
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