996 Carrera Group 0 Part 2 Diagnosis / PAGE 370
HBA diagnosis 911 Carrera (996) · Fault, . Fault code Possible causes, elimination, notes
Read extracted page text
OCR can contain errors. Check the original page image for exact wording, warnings and specifications.
HBA diagnosis 911 Carrera (996)
Fault, . Fault code Possible causes, elimination, notes
Fault code 1
Motor circuit, left This fault is stored in the following cases:
1. Short circuit to ground or open circuit in the circuit between
control module and servomotor for HBA, Jeft,
terminals I, 2, 3, 4
2. Servomotor for HBA, left, is faulty
3. The control module is faulty
Elimination:
Switch off ignition
Pull plug off the control module
Pull plug off the servomotor for HBA
Check for open circuit in the supply leads to the servomotor for
HBA,terminals 1, 2, 3, 4
Ohmmeter display < 5 Ohm
Check for short to B+ in the supply leads to the servomotor for HBA
Ohmmeterconnectedto terminals I, 2, 3, and 4; measure resistance
to ground
Ohmmeterdisplay 00 Ohm
Check for short circuits betweenthe supply leads.
If no fault is detected in the wires, replace the servomotor for HBA.
Also check the plug on the wiring harness side and replace if necessary.
94 92 Diagnosis/troubleshooting HBA 94 -D 14
n_: 1 :- "' ?A 1000
This is a source reference. Confirm exact model applicability in the original material.
