3.5RL V6-3474cc 3.5L (2001)
Information Bus: Reading and Clearing Diagnostic Trouble Codes
Self-Diagnosis Function (Mode 1)
Self-Diagnosis Function (Mode 1)
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One second after you go into self-diagnosis function mode 1, the function starts to indicate the diagnosis trouble code (DTC), and repeats the DTC
every three seconds.
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From mode 1, disconnect the SCS service connector for five to ten seconds, then reconnect the SCS service connector, and the function goes from
mode 1 to mode 2.
NOTE: If no DTCs are indicated, but you know the system is abnormal. check these items:
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If the light does not come on and the buzzer does not beep. check the continuity between the BLK wire of the multiplex control inspection
connector and body ground.
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If either the light or the beep indicates the DTC(s). check the continuity between the PNK/BLK wire of the multiplex control inspection connector
and multiplex control units (driver's and passenger's).