DTC 25 [IMMOBILIZER SYSTEM]
id0902e4914300
WLT-2
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DTC 25 |
IG circuit of immobilizer unit is open circuit or IG circuit of DDS1 is short to B+ circuit |
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POSSIBLE CAUSE
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• Defective wiring harness between ENGINE 15 A fuse and immobilizer unit
• Defective wiring harness between ENGINE 15 A fuse and DDS1
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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INSPECT IG CIRCUIT OF DDS1 FOR SHORT TO B+ CIRCUIT
• Turn ignition switch to LOCK position.
• Measure voltage at FIP connector terminal G.
• Is voltage more than 10 V?
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Yes
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Repair wiring harness between ENGINE 15 A fuse and DDS1.
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No
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Go to next step.
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2
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INSPECT IG CIRCUIT TO IMMOBILIZER UNIT
• Measure voltage at immobilizer unit connector terminal L.
• Is voltage more than 10 V?
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Yes
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Replace immobilizer unit and reprogram immobilizer system.
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No
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Repair wiring harness between ENGINE 15 A fuse and immobilizer unit.
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