Preparation for Test
1. Connect impulse counter scan tool or Hand-Held Tester (HHT) according
to connection diagram (see section 0).
Note:
ATA deactivated.
Connect yellow wire to socket 23 of 38-pole data link connector (X11/4).
DTC readout begins with the most current fault and ends with the oldest
(logic: last in, first out).
Electrical wiring diagrams:
Electrical Troubleshooting Manual, Model 140, Volume 2, group 80
and 82.
DTC
Possible cause
Test step/Remedy 1)
No DTC stored in system.
ATA activated via rotary tumbler/ trunk lid microswitch (S88/1)