DTC P1650[AJ (3.0L Duratec)]
id0102a4826700
|
DTC P1650 |
PSP switch circuit malfunction |
|---|---|
|
DETECTION CONDITION
|
• In KOEO Self-Test, this DTC indicates the PSP input to the PCM is high. In KOER Self-Test, this DTC indicates that the PSP input did not change state.
|
|
POSSIBLE CAUSE
|
• PSP switch malfunction
• Connector or terminal malfunction
• Short to ground circuit between PSP switch terminal A and PCM terminal 31
• PCM malfunction
|
 |
|
Diagnostic procedure
|
STEP |
INSPECTION |
ACTION |
|
|---|---|---|---|
|
1
|
VERIFY FREEZE FRAME DATA HAS BEEN RECORDED
• Has FREEZE FRAME DATA been recorded?
|
Yes
|
Go to next step.
|
|
No
|
Record FREEZE FRAME DATA on repair order, then go to next step.
|
||
|
2
|
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
• Check for related Service Information and/or on-line Service Information availability.
• Is any related Service Information available?
|
Yes
|
Perform repair or diagnosis according to available Service Information.
• If vehicle is not repaired, go to next step.
|
|
No
|
Go to next step.
|
||
|
3
|
INSPECT PSP SWITCH CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch off.
• Disconnect PSP switch connector.
• Check for poor connection (such as damaged, pulled-out pins, and corrosion, etc.).
• Is there any malfunction?
|
Yes
|
Repair or replace terminal, then go to Step 7.
|
|
No
|
Go to next step.
|
||
|
4
|
INSPECT PSP SWITCH SIGNAL CIRCUIT FOR SHORT TO GROUND
• Turn the ignition switch off.
• Check continuity between PSP switch terminal A (harness-side) and body ground.
• Is there continuity?
|
Yes
|
Repair or replace harness for short to ground, then go to Step 7.
|
|
No
|
Go to next step.
|
||
|
5
|
INSPECT PSP SWITCH
• Inspect PSP switch.
• Is there any malfunction?
|
Yes
|
Replace PSP switch, then go to Step 7.
|
|
No
|
Go to next step.
|
||
|
6
|
INSPECT PCM CONNECTOR FOR POOR CONNECTION
• Turn the ignition switch off.
• Disconnect PCM connector.
• Check for poor connection (such as damaged, pulled-out pins, and corrosion).
• Is there any malfunction?
|
Yes
|
Repair or replace terminal, then go to next step.
|
|
No
|
Go to next step.
|
||
|
7
|
VERIFY TROUBLESHOOTING OF DTC P1650 COMPLETED
• Make sure to reconnect all disconnected connectors.
• Start engine.
• Clear DTC from PCM memory using M-MDS.
• Perform KOEO/KOER Self-Test.
• Is same DTC present?
|
Yes
|
Replace PCM, then go to next step.
|
|
No
|
Go to next step.
|
||
|
8
|
VERIFY AFTER REPAIR PROCEDURE
• Perform "AFTER REPAIR PROCEDURE".
• Are any DTCs present?
|
Yes
|
Go to applicable DTC inspection.
(See DTC TABLE[AJ (3.0L Duratec)].)
|
|
No
|
Troubleshooting completed.
|
||