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Avoid damaging connectors during the inspection process.
3. Are any problems found?
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Go to next step.
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After repairing the trouble part, check whether DTC occurs or not.
Inspection Procedure
1. PREPARATION
(1) Turn the ignition switch to LOCK.
(2) Disconnect the negative () terminal from the battery and wait for at least 3 minutes.
(3) Remove the DAB module and disconnect the DAB connector.
(4) Disconnect the connectors of the PAB, SAB, CAB, BPT, BUPT, FIS and SIS.
(5) Disconnect the SRSCM connector.
2. CHECK SOURCE VOLTAGE
(1) Turn the ignition switch to ON.
(2) Measure voltage between the terminal 3 of SRSCM harness connector and chassis ground.
specification(voltage) : 9.0 ≤ V ≤ 16.5 V
(3) Is the measured voltage within specification?
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Check the battery.
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Replace the SRSCM with a new one, and then check the vehicle again. At this time, if the vehicle normally
operates with a new SRSCM, the fault may be the SRSCM(Replace SRSCM).
3. CHECK THE BATTERY
(1) Check the battery.
● Refer to "EE" group in this SERVICE MANUAL.
Is the battery normal?
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Check the alternator.
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Repair or replace the battery(Refer to "EE" group in this SERVICE MANUAL).
4. CHECK ALTERNATOR
(1) Check the altenator.
● Refer to "EE" group in this SERVICE MANUAL.
Is the alternator normal?