ENGINE CONTROLS 1F–155
DAEWOO M-150 BL2
DTC P0337 – 58X Crankshaft Position Sensor No Signal
Step Action Value(s) Yes No
1
Perform an Euro On-Board Diagnostic (EOBD)
System Check.
Is the system check complete?
–
Go to Step 2
Go to
“On-Board
Diagnostic
System Check”
2
Attempt to start the engine.
Does the engine start?
–
Go to Step 3
Refer to
“Engine
Cranks But
Will Not Run”
3
1. Review and record Failure Records information.
2. Clear the DTC P0337.
3. Start the engine and idle for 1 minute.
4. Observe the diagnostic trouble codes (DTCs).
Is the DTC P0337 set?
–
Go to Step 4
Go to
“Diagnostic
Aids”
4
1. Disconnect the engine control module(ECM) and
the crankshaft position (CKP) sensor.
2. Check for an open or a low voltage in the CKP
sensor connector and the ECM harness
connector.
Is the problem found?
–
Go to Step 5 Go to Step 6
5
Repair the open or low voltage in the 58X reference
circuit between the CKP sensor connector and the
ECM harness connector.
Is the repair complete?
–
Go to Step 11
–
6
1. Reconnect the ECM and CKP sensor.
2. Connect a digital voltmeter (DVM) to measure
voltage on the 58X reference circuit, terminal 54
at the ECM connector.
3. Observe the voltage while cranking the engine.
Is the voltage near the specified value? 2.5V Go to Step 9 Go to Step 7
7
Check the connection at the CKP sensor and
replace the terminals if necessary.
Do any terminals require replacement?
–
Go to Step 11 Go to Step 8
8
Replace the CKP sensor.
Is the replacement complete?
–
Go to Step 11
–
9
Check the connections at the ECM and replace the
terminals if necessary.
Do any terminal require replacement?
–
Go to Step 11 Go to Step 10
10
Replace the ECM.
Is the replacement complete?
–
Go to Step 11
–
11
1. Using the scan tool, clear the DTCs.
2. Start the engine and idle at normal operating
temperature.
3. Operate the vehicle within the conditions for
setting this DTC as specified in the supporting
text.
Does the scan tool indicate that this diagnostic run
and passed?
–
Go to Step 12 Go to Step 2
12
Check if any additional DTCs are set.
Are any DTCs displaced that have not been
diagnosed?
–
Go to
Applicable DTC
table
System OK
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