Inspection Procedure
WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK WIRE HARNESS (TERMINAL TC of DLC3 - ECM)
- Disconnect the E5 connector from the ECM.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION REFERENCE TABLETester Connection Condition Specified Condition E5-23 (TC) - D1-13 (TC) Always Below 1 Ω
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - ECM)
OK: Go to Next Step
- CHECK WIRE HARNESS (TERMINAL CG of DLC3 - BODY GROUND)
- Measure the resistance according to the value(s) in the table below.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION REFERENCE TABLETester Connection Condition Specified Condition D1-4 (CG) - Body ground Always Below 1 Ω
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (DLC3 - BODY GROUND)
OK: Go to Next Step
- Measure the resistance according to the value(s) in the table below.
- CHECK WIRE HARNESS (TERMINAL TC of DLC3 - BODY GROUND)
- Measure the resistance according to the value(s) in the table below.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION REFERENCE TABLETester Connection Condition Specified Condition D1-13 (TC) - Body ground Always 10 kΩ or higher
NG: REPAIR OR REPLACE HARNESS, CONNECTOR, OR EACH ECU
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
- Measure the resistance according to the value(s) in the table below.