23-8
dummyheaddummyhead
IMMOBILIZER SYSTEM (HISS)
TROUBLESHOOTING
The immobilizer indicator comes on for approx. two seconds then it goes off, when the ignition switch is turned
ON with the properly registered key and the HISS functions normally. If there is any problem or the properly
registered key is not used, the indicator will remains on.
Immobilizer indicator does not come on when the ignition switch is turned ON
1. Fuse Inspection
Check for blown sub fuse 7.5 A (CLOCK/TURN) and/or sub fuse 7.5 A (ENG STOP).
Is the fuse blown?
YES – Replace the fuse.
NO – GO TO STEP 2.
2. Combination Meter Inspection
Check that the neutral indicator come on with the ignition switch turned ON.
Is the indicator come on?
YES – GO TO STEP 4.
NO – GO TO STEP 3.
3. Combination Meter Power Input Line Inspection
Check the power input line (Red/white wire) at the combination meter 16P (Gray) connector (page 23-10).
Is the voltage specified value?
YES – Faulty combination meter.
NO – Open circuit in Red/white wire
4. TXD/RXD Line Inspection between The ECM/PCM and Combination Meter
Check the TXD/RXD line (Red/blue wire) between the ECM/PCM 33P connector and combination meter
16P (Gray) connector (page 23-10).
Is there continuity?
NO – Open circuit in Red/blue wire
YES – GO TO STEP 5.
5. Power Input Line Inspection at The ECM/PCM Connector
Check the power input line (Black/red and Black wire) at the ECM/PCM 33P connector (page 23-11).
Is the voltage specified value?
YES – GO TO STEP 6.
NO – Open circuit in Black/red and Black wire
6. Ground Line Inspection at The ECM/PCM Connector
Check the ground line (Green/orange and Green wire) at the ECM/PCM 33P connector (page 23-11).
Is there continuity?
YES – • Loose or poor contact of the ECM/PCM 33P connector
• Faulty ECM/PCM
NO – • Open circuit in Green/orange wire
• Open circuit in Green wire
Immobilizer indicator remains on with the ignition switch turned ON
1. Immobilizer Receiver Jamming Inspection
Check that there is any metal obstruction or the other vehicle‘s transponder key near the immobilizer
receiver and key.
Is there any metal obstruction or the other transponder key?
YES – Remove it and recheck.
NO – GO TO STEP 2.
To Next Page
Loading...
Need help?
General
