P1614

B2190, P1614 Immobilizer System Antenna Amp.

Description

Performs ID verification through BCM and immobilizer system antenna amplifier when ignition key is inserted and ignition switch turned ON.

Prohibits the start of engine when an unregistered ID of ignition key is used.

DTC Logic

DTC Detection Logic






DTC Confirmation Procedure

1. PERFORM DTC CONFIRMATION PROCEDURE

1 Insert ignition key into the key cylinder.
2 Turn ignition switch ON.
3 Perform "DTC check" with SDT.

Is DTC detected?
YES
Refer to "Diagnosis Procedure".
NO
Inspection End.

Diagnosis Procedure

Regarding Wiring Diagram information, refer to [Immobilizer System: Wiring Diagram] Immobilizer System.

1. CHECK IMMOBILIZER SYSTEM ANTENNA AMP. INSTALLATION

Check immobilizer system antenna amp. installation. Refer to [Immobilizer System Antenna Amp.: Removal and Installation] Service and Repair.

Is the inspection result normal?
YES
GO TO 2
NO
Reinstall immobilizer system antenna amp. correctly.

2. CHECK IMMOBILIZER SYSTEM IGNITION KEY ID CHIP

Start engine with another registered immobilizer system ignition key.

Does the engine start?
YES
- Ignition key ID chip is malfunctioning.
- Replace the ignition key.
- Perform initialization with SDT.
For initialization, refer to SDT Operation Manual.
NO
GO TO 3

3. CHECK POWER SUPPLY FOR IMMOBILIZER SYSTEM ANTENNA AMP.

1 Turn ignition switch ON.





2 Check voltage between immobilizer system antenna amp. connector M21 terminal 1 and ground.






Is the inspection result normal?
YES
GO TO 4
NO
Repair or replace fuse or harness.

4. CHECK IMMOBILIZER SYSTEM ANTENNA AMP. GROUND LINE CIRCUIT

1 Turn ignition switch OFF.
2 Disconnect immobilizer system antenna amp. connector.
3 Check continuity between immobilizer system antenna amp. connector M21 terminal 3 and ground.










Is the inspection result normal?
YES
GO TO 5
NO
- Repair or replace harness.

NOTE:If harness is OK, replace BCM [BCM: Removal and Installation] Removal and Replacement. Perform initialization with SDT. For initialization, refer to SDT Operation Manual.

5. CHECK IMMOBILIZER SYSTEM ANTENNA AMP. SIGNAL LINE- 1

1 Connect immobilizer system antenna amp. connector.
2 Turn ignition switch ON.
3 Check voltage between immobilizer system antenna amp. connector M21 terminal 2 and ground with analog tester.











Is the inspection result normal?
YES
GO TO 6
NO
- Repair or replace harness.

NOTE:If harness is OK, replace BCM [BCM: Removal and Installation] Removal and Replacement. Perform initialization with SDT. For initialization, refer to SDT Operation Manual.

6. CHECK IMMOBILIZER SYSTEM ANTENNA AMP. SIGNAL LINE- 2

Check voltage between immobilizer system antenna amp. connector M21 terminal 4 and ground with analog tester.











Is the inspection result normal?
YES
Immobilizer system antenna amp. is malfunctioning.
NO
- Repair or replace harness.

NOTE:If harness is OK, replace BCM, refer to [BCM: Removal and Installation] Removal and Replacement. Perform initialization with SDT. For initialization, refer to SDT Operation Manual.