Check Restraints Control Module (Rcm) Supply Circuit - Chery Tiggo 2009 Service Manual

4.
CHECK SYSTEM VOLTAGE
• Start the engine, raise the engine speed over 1000 RPM.
• Measure the charging voltage with a voltmeter at the battery positive and negative terminals.
Is the voltage less than 9 V?
Yes >>
Inspect the charging system.
No >>
Go to the next step.
5.
CHECK THE BATTERY
• Start the engine, raise the engine speed over 1000 RPM for a few minutes.
• Turn ignition switch off.
• Measure the voltage drop with a voltmeter at the battery positive and negative terminals while cranking the
engine.
• Battery voltage should be more than approximate 9.0 V.
Is the check result normal?
Yes >>
Go to step 6.
No >>
Charge or replace the battery.
6.

CHECK RESTRAINTS CONTROL MODULE (RCM) SUPPLY CIRCUIT

• Measure the resistance between RCM terminal 5 and the battery negative connector.
• Continuity should exist.
Is the check result normal?
Yes >>
Go to the next step.
No >>
Check fuse.
Inspect and replace the harness for an open.
Check harness connector C-106, J-100.
Check correlative components.
7.
CHECK DTC
• With the X-431 scan tool, read RCM DTCs.
• Refer to DTC Confirmation Procedure .
Is DTC B1102 still present?
Yes
>>
Replace the RCM.
No >>
The system is now operating properly.
Reassemble the vehicle and road test to verify the customers complaint is repaired.
Chery Automobile Co., Ltd.
DIAGNOSIS & TESTING
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