168A20

168A20 - P0324

Information saved in
DME

Fault code
168A20 - P0324

Fault text
Knock control, fault check: malfunction, system fault

Fault description
The diagnostic function monitors the quality of the signals
from the knock sensors.

Condition for fault identification
Test condition:
The fault is recognized when the signal from the knock
sensors is outside the measurement range.
Potential problem source(s):
- Signal-processing error, incorrect measurement range
- Defective wiring harness
- Knock sensor defective
Terminal condition: none
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON

Condition for fault memory entry
This fault is logged in the control module's fault memory
immediately.

Action in service
- If faults related to the knock sensors have been logged,
repair these first
- Check wiring harness between knock sensor and DME
- Replace knock sensor

Fault effect and breakdown warning
Breakdown notice:
None
Possible apparent symptoms:
Engine runs poorly with power loss

Driver information
Warning light:
MY10 ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: off
- CC message: none
MY10 US:
- US emissions warning lamp: off
- US electronic engine power reduction: on
- CC message: on
MY11 ECE:
- ECE emissions warning lamp: off
- ECE electronic engine power reduction: on
- CC message: on

Service instruction
None