DTC B22AE: Open in Alternater Charge Line: Procedure

WARNING: This page is about a different car, the 2010 Lexus LS 460L and 2010 Lexus LS 460. However, it is still accessible from the selected car via links, so may be relevant.

CHECK GENERATOR ASSEMBLY (TERMINAL B)

Check the generator's tightening torque value.

Standard torque

Generator	Standard torque
Terminal 1 (B)	12 Nm (122 kgfcm, 8.82 ft.*lbf)

NG → TIGHTEN GENERATOR ASSEMBLY (TERMINAL B)

OK: Go to next step

CHECK GENERATOR ASSEMBLY (IG INPUT VOLTAGE)

Fig 1: Identifying E24 Generator Connector Terminals

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Disconnect the E24 generator connector.

Measure the resistance according to the value(s) in the table below.

Standard voltage

Tester Connection	Switch Condition	Specified Condition
E24-2 (IG) - Body ground	Engine switch on (IG)	11 to 14 V

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR

OK → REPLACE PASSENGER SIDE JUNCTION BLOCK (ELECTRIC POWER CONTROL ECU)