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DTC B2449, B2450

id070200731100

DTC | B2449 | Glow plug circuit short to ground
--- | --- | ---
B2450 | Glow plug circuit open
DETECTION CONDITION | • CPU detects malfunction in glow plug circuit
POSSIBLE CAUSE | • Water heater unit malfunction

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | INSPECT WATER HEATER UNIT • Replace the water heater unit. (See WATER HEATER UNIT REMOVAL/INSTALLATION [MZR-CD (RF Turbo)].) • Perform the Combustion Test. (SeeKOEO Self Test/Combustion Test.) • Are any DTCs present? | Yes | Go to the applicable DTC troubleshooting.
No | Troubleshooting completed.