LS 600h V8-5.0L (2UR-FSE) Hybrid (2008)
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- REPLACE LUGGAGE ROOM JUNCTION BLOCK (REAR JUNCTION BLOCK ECU)
7. CHECK HARNESS AND CONNECTOR (BATTERY - REAR JUNCTION BLOCK ECU)
(a) Disconnect the LH ECU connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage:
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
8. CONFIRM LIGHT POSITION
(a) Check the malfunctioning stop light.
Result
D -- READ VALUE USING INTELLIGENT TESTER OR TECHSTREAM (STOP LIGHT SWITCH)
C -- CHECK REAR JUNCTION BLOCK ECU (STP4 VOLTAGE)
B -- CHECK REAR JUNCTION BLOCK ECU (STP3 VOLTAGE)
A -- Continue to next step.
9. CHECK REAR JUNCTION BLOCK ECU (STOP1, STP2 VOLTAGE)
(a) Disconnect the S64 ECU connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage: