DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| B2556 |
PUSH-BTN IGN SW (Push-button ignition switch) |
Diagnosis condition | When ignition switch ON. |
| Signal (terminal) | — | ||
| Threshold | BCM detects the ignition switch stuck at ON for 100 seconds or more | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
Push-button ignition switch
BCM
Harness or connector
(Ignition switch circuit is shorted.)
FAIL-SAFE
—
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch under the following condition:
Brake pedal: Not depressed.
Release ignition switch and wait 100 seconds or more.
Select “Self Diagnostic Result” mode of “BCM”.
Check DTC.
Is DTC detected?
YES>>Refer to Diagnosis Procedure.
NO>>Inspection End.
CHECK PUSH-BUTTON IGNITION SWITCH INPUT SIGNAL
Ignition switch OFF.
Disconnect push-button ignition switch connector.
Check voltage between push-button ignition switch harness connector and ground.
| (+) | (–) |
Voltage (Approx.) | |
|---|---|---|---|
| Push-button ignition switch | |||
| Connector | Terminal | ||
| M208 | 8 | Ground | Battery voltage |
Is the inspection result normal?
YES>>GO TO 4.
NO>>GO TO 2.
CHECK PUSH-BUTTON IGNITION SWITCH CIRCUIT
Disconnect BCM connector and IPDM E/R connector E119.
Check continuity between push-button ignition switch harness connector and BCM harness connector.
| Push-button ignition switch | BCM | Continuity | ||
|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | |
| M208 | 8 | M18 | 1 | Yes |
Check continuity between push-button ignition switch harness connector and ground.
| Push-button ignition switch | Ground | Continuity | |
| Connector | Terminal | ||
| M208 | 8 | No | |
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness.
REPLACE BCM
Replace BCM. Refer to Removal and Installation.
Perform initialization of BCM and registration of all Intelligent Keys. Refer to Work Procedure.
>>
Inspection End.
CHECK PUSH-BUTTON IGNITION SWITCH
Refer to Component Inspection.
Is the inspection result normal?
YES>>GO TO 5.
NO>>Replace push-button ignition switch. Refer to Removal and Installation.
CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>
Inspection End.
CHECK PUSH-BUTTON IGNITION SWITCH
Ignition switch OFF.
Disconnect push-button ignition switch connector.
Check continuity between push-button ignition switch terminals.
| Push-button ignition switch | Condition | Continuity | ||
|---|---|---|---|---|
| Terminal | ||||
| 4 | 8 | Push-button ignition switch | Pressed | Yes |
| Not pressed | No | |||
Is the inspection result normal?
YES>>Inspection End.
NO>>Replace push-button ignition switch. Refer to Removal and Installation.
B2555 Stop Lamp
B2557 Vehicle Speed
Your vehicle has two types of security systems:
Vehicle security system NISSAN Vehicle Immobilizer SystemThe vehicle security system provides visual and audible alarm signals if someone opens the doors, liftgate or the hood when the system is armed. It is not, however, a motion detection type system that activates when a vehicle is moved or when a vibration occurs.