P1327

2E69 - P1327

Information saved in
DME

Fault code
2E69 - P1327

Fault text
Knock-sensor signal 2

Fault description
Knock Sensor 2 Circuit Low Input (Bank 1)

Condition for fault identification
Test condition:
Knock sensor signal monitor
Vehicle road operation at >2800 1 rpm (current data status,
tends toward >2560 rpm) and air mass > 180 mg/unit. It is
not possible to clear fault by switching ignition terminals.
Compliance with the activation conditions and absence of
malfunction extending over several seconds are required
before fault code can be cleard.
Terminal condition: Terminal 15, engine on
Voltage condition:
Voltage in onboard electrical system > 10 V

Condition for fault memory entry
Yes, by event counter. Knock sensor signal must be below
threshold more than 1..3 sec. (differential knock signal <
180mV <200mV), then fault code is registered


connection is loose or wire connecting knock sensor 2 to
engine-management control module is open, or shorted to
positive or ground

Action in service
1. Check knock sensor connection to verify that it is tight.
2. Check wire connecting knock sensor 1 and engine-
management control module
3. Check for connection between knock sensor 1 and ground
or positive
4. Replace knock sensor

Fault effect and breakdown warning


Driver information
Warning light:
No warning message. (No closed-loop knock control
available. Power loss, as engine reverts to operation in safe
range.)

Service instruction
none