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Engine General Information and Diagnosis: 1A-81 DTC P1480: Defective Particulate Filter Inlet Pick-Off Failures Malfunction S5JB0B1104134 NOTE • Conditions for applying fault finding procedures to stored faults: The fault is declared present after the engine is started or following a road test. • If the fault is present: – The Injection warning light (gravity 1 warning light) is lit.
Detecting Condition Troubleshooting DTC P1641: Additional Heater Relay No.1 Control Circuit S5JB0B1104146 NOTE • Conditions for applying fault finding procedures to stored faults: The fault is declared present after the engine is started. • Use service wire for all operations on the ECM connectors.
Wiring Diagram Detecting Condition Troubleshooting for CO.0: Open circuit or short circuit to vehicle body ground Displaying on SUZUKI scan tool Detecting condition 1.DEF Inconsistency of signal Check the condition of the following pressure pipes: Displaying on SUZUKI scan tool Detecting condition CO.0 Open circuit or short circuit to vehicle body ground CO.1 Short circuit to +12 V Check the condition of the additional heater relay No.1. connector • Between “C93-1” wire of additional heater relay No.1 mounting connector and “E33-6” wire of main relay connector Repair if necessary. |