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12.2 Signaling Device (SD) - Hazard, Turn Signals   >   12 Diagnosis - Complaint Related Diagnostic Chart

Complaint/Problem Possible cause Test step/Remedy 1) Turn signals and hazard flasher not functioning Signal pickup and activation module (SAM) left front (N10/1) 23 1.0 Only turn signals not operative Wiring Turn signal switch (S4s1) Following causes are possible only if other systems operate by the combination switch do not function properly (wipers etc.): CAN Data line between signal pickup and activation module (SAM) left front (N10/1) and electronic ignition lock control module (N73) - only if horn also does not function N73 N10/1 23 5.0 23 4.0 23 2.0 23 1.0 Only hazard flasher not operative Wiring Hazard flasher switch S6/1s1 N10/1 23 6.0 23 7.0 23 1.0 Connection between HHT and electronic ignition lock control module (N73) and signal pickup and activation module (SAM) left front (N10/1) not possible Wiring Electronic ignition lock control module (N73) 23 3.0 23 2.0 Connection between HHT and signal pickup and activation module (SAM) left front (N10/1) not possible Following causes are possible only if other systems operate by the combination switch do not function properly (wipers, turn signals etc.): CAN Data line between signal pickup and activation module (SAM) left front (N10/1) and electronic ignition lock control module (N73) - only if horn also does not function N73 N10/1 23 4.0 23 2.0 23 1.0 Only one side of turn signal not operative Wiring Turn signal switch S4/s1 N73 N10/1 23 5.0 23 2.0 23 1.0 Audio device and indicator lamps in instrument cluster not functioning Wiring A1e1, A1e2 Instrument cluster A1 23 8.0 Failure of single lamp Wiring Corresponding lamp: left rear left front auxiliary left right rear right front auxiliary right N10/1: left outputs Right outputs 23 9.0 23 10.0 23 11.0 23 12.0 23 13.0 23 14.0 23 15.0 23 16.0 1) Observe Preparation for Test, see 22 .