Signal Too High. Permanent Fault
Signal too high. Permanent fault
Checking wiring and components
Check canister purge (CP) valve resistance.
Check signal cable between control module #A9 (#A9) and canister purge (CP) valve terminal 2 for a short-circuit to supply voltage according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
Hint: Use an electrician's screwdriver with at least a 3 W bulb to determine whether the cable is short-circuited to supply voltage.
Remedy as necessary.
Other information
- Connecting the breakout box/accessing the control module, see Connecting the breakout box, B5234T9, B5244T7 Connecting The Breakout Box.
- To access/replace the canister purge (CP) valve, see Replacing the canister purge (CP) valve Replacing the Canister Purge (CP) Valve.
- For resistance values, see Component specifications [1][2]Engine Control Module.
- For information about signals, see Signal specification Signal Specifications.
Continue - Verification
-------------------------------------------------
Verification
Verification
Hint: After carrying out the repair, check that the fault has been remedied.
- Ignition off.
- Reconnect connectors, reinstall components
- Ignition on.
- Activate canister purge (CP) valve.
A "click" should be heard when the canister purge (CP) valve is activated.
Is the canister purge (CP) valve working?
Yes - VERIFIED
No - VERIFICATION FAILED
------------------------
VERIFICATION FAILED - Fault-tracing information
VERIFIED - FAULT FOUND
-------------------------------------------------
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
------------------------
Attempt New Test - Checking wiring and components
-------------------------------------------------