DTC P0581:00 [MZR-CD 2.2]

id0102f3879900

DTC P0581:00

Cruise control multi-function input circuit high input
DETECTION CONDITION
•  The DTC P0581:00 sets when the cruise control switch circuits an open.
Diagnostic support note
•  The MIL does not illuminate.
•  FREEZE FRAME DATA (Mode 2)/Snapshot data is not available.
•  The DTC is not stored in the PCM memory.
POSSIBLE CAUSE
•  Clock spring connector or terminals malfunction
•  Clock spring malfunction
•  Cruise control switch malfunction
•  PCM connector or terminals malfunction
•  Short to power supply in wiring harness between clock spring terminal 2P and PCM terminal 1AM
•  Open circuit in wiring harness between the following terminals:
―  Clock spring terminal 2N—PCM terminal 1BC
―  Clock spring terminal 2P—PCM terminal 1AM
•  PCM malfunction

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY RELATED SERVICE INFORMATION AVAILABILITY
•  Verify related Service Information availability.
•  Is any related Service Information available?
Yes
Perform repair or diagnosis according to the available Service Information.
•  If the vehicle is not repaired, go to the next step.
No
Go to the next step.
2
INSPECT CLOCK SPRING CONNECTOR CONDITION
Warning
•  Handling the air bag system components improperly can accidentally deploy the air bag modules and pre-tensioner seat belts, which may seriously injure you. Read the air bag system service warnings and cautions before handling the air bag system components.
•  Switch the ignition to off.
•  Disconnect the clock spring connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector and/or terminals, then go to Step 8.
No
Go to the next step.
3
INSPECT CLOCK SPRING
•  Inspect the clock spring.
•  Is there any malfunction?
Yes
Replace the clock spring, then go to Step 8.
(See CLOCK SPRING REMOVAL/INSTALLATION.)
No
Go to the next step.
4
INSPECT CRUISE CONTROL SWITCH
•  Inspect the cruise control switch.
•  Is there any malfunction?
Yes
Replace the steering switch, then go to Step 8.
(See STEERING SWITCH REMOVAL/INSTALLATION.)
No
Go to the next step.
5
INSPECT PCM CONNECTOR CONDITION
•  Disconnect the PCM connector.
•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).
•  Is there any malfunction?
Yes
Repair or replace the connector and/or terminals, then go to Step 8.
No
Go to the next step.
6
INSPECT CRUISE CONTROL SWITCH CIRCUIT FOR SHORT TO POWER SUPPLY
•  Clock spring and PCM connectors are disconnected.
•  Switch the ignition to ON (engine off).
•  Measure the voltage at the clock spring terminal 2P (wiring harness-side).
•  Is there any voltage?
Yes
Repair or replace the wiring harness for a possible short to power supply, then go to Step 8.
No
Go to the next step.
7
INSPECT CRUISE CONTROL SWITCH CIRCUIT FOR OPEN CIRCUIT
•  Clock spring and PCM connectors are disconnected.
•  Switch the ignition to off.
•  Inspect for continuity between the following terminals (wiring harness-side):
―  Clock spring terminal 2N—PCM terminal 1BC
―  Clock spring terminal 2P—PCM terminal 1AM
•  Is there continuity?
Yes
Go to the next step.
No
Repair or replace the wiring harness for a possible open circuit, then go to the next step.
8
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Make sure to reconnect all disconnected connectors.
•  Clear the DTC from the PCM memory using the M-MDS.
•  Start the engine.
•  Perform the KOEO self test.
•  Is the same DTC present?
Yes
Replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [MZR-CD 2.2].)
No
Go to the next step.
9
VERIFY AFTER REPAIR PROCEDURE
•  Perform the “AFTER REPAIR PROCEDURE”.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [MZR-CD 2.2].)
No
DTC troubleshooting completed.