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Table 4 Trouble Code C1 101(51) C1 102(52) Possible Cause Abnormal battery voltage: Note: If the malfunctions corresponding to more T ro u b le sh o o ti ng F low
Yes Yes Yes Yes Yes Yes No No No No No No Adjust connector pins assemble connectors Replace HECU Replace AC generator Is below 9.4V? Is above 17V? Is status good? Is status good? Is between 9.4V~17V? Check and replace wiring Is below 1Ω? Check and replace battery Adjust status of grounding terminal ① Measure the voltage Remove harness side connector and measure the Measure the resistance Confirm the assembling status and pin displacement Confirm and check grounding status of harness Measure the voltage between vehicle circuits are on. Re-check from item ① |