FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Signal Too High. Permanent Fault






Signal too high. Permanent fault

Checking wiring and components
Check signal cable between knock sensor (KS) #1 and control module #A46 (#A46) and ground lead between knock sensor (KS) #2 and control module #A64 (#B4) for a short-circuit to supply voltage to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Check that knock sensor (KS) is tightened to correct torque according to Knock sensor (KS), replacing, B5234T9, B5244T7 Removal and Replacement.

Hint: The diagnostic trouble code (DTC) may be caused by a worn engine. Start the engine and listen for discordant noise.

Remedy as necessary.

Other information
- Connecting the breakout box/accessing the control module, see Connecting the breakout box, B5234T9, B5244T7 Connecting The Breakout Box.
- For information about signals, see Signal specification Signal Specifications.














Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off.
- Reconnect the connectors, reinstall components etc.
- Start engine and run to normal operating temperature.
- Rev the engine to 3500 rpm and read off the value of the knock sensor (KS) signal.









Is the value between 2-6?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test

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Attempt New Test - Checking wiring and components

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