DTC P2530:00 [GW6A-EL]

id050228310000

DTC P2530:00

Ignition switch stuck off
DETECTION CONDITION
•  If the IG ON time count of the instrument cluster proceeds 5 s under the following condition:
―  Ignition switch signal off
FAIL-SAFE FUNCTION
Not applicable
POSSIBLE CAUSE
•  Start stop unit malfunction
―  Ignition switch signal output stuck off
•  Wiring harness malfunction
―  Short or open signal in ignition switch
―  Ignition switch signal terminal (start stop unit terminal 1B) malfunction
•  Control valve body malfunction
―  Ignition switch signal terminal (start stop unit terminal 1B) pin deformity
SYSTEM WIRING DIAGRAM
Not applicable

Diagnostic procedure

STEP

INSPECTION

ACTION
1
VERIFY FREEZE FRAME DATA/SNAPSHOT DATA HAS BEEN RECORDED
•  Has the freeze frame data/snapshot data been recorded on the repair order?
Yes
Go to the next step.
No
Record the freeze frame data/snapshot data on the repair order, then go to the next step.
2
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.
3
VERIFY STORED DTC IN START STOP UNIT
•  Perform the start stop unit DTC inspection using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [START STOP UNIT].)
No
Go to the next step.
4
INSPECT THE IGNITION CIRCUIT FOR OPEN CIRCUIT
•  Switch the ignition to off.
•  Disconnect the negative battery cable.
•  Verify that the following connector are disconnected.
―  IG1 relay
―  Start stop unit
•  Inspect for continuity between the following terminals (wiring harness-side):
―  IG1 relay terminal C—Start stop unit terminal 1B
•  Is there continuity?
Yes
Go to the next step.
No
Refer to the wiring diagram and verify whether or not there is a common connector between IG1 relay terminal C and start stop unit terminal 1B.
If there is a common connector:
•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.
•  Repair or replace the malfunctioning part.
If there is no common connector:
•  Repair or replace the wiring harness which has an open circuit.
Go to Step 6.
5
VERIFY THE ENGINE START
•  Reconnect all disconnected connectors.
•  Reconnect the negative battery cable.
•  Does the engine start normally?
Yes
Replace the control valve body, then go to the next step.
(See CONTROL VALVE BODY REMOVAL/INSTALLATION [GW6A-EL].)
No
Replace the start stop unit, then go to the next step.
(See START STOP UNIT REMOVAL/INSTALLATION.)
6
VERIFY DTC TROUBLESHOOTING COMPLETED
•  Clear the DTC using the M-MDS.
•  Perform the following procedure to ensure that the DTC has been resolved:
1.  Switch the ignition ON (engine off or on) and wait for 10 s or more.
2.  Switch the ignition to off.
•  Perform the DTC inspection using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [GW6A-EL].)
No
DTC troubleshooting completed.