HS 250h L4-2.4L (2AZ-FXE) Hybrid (2010)
(e) Check if any DTCs have been stored. Note down the DTCs.
(f) Clear the DTCs See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Reading and Clearing Diagnostic
Trouble Codes/DTC Check / Clear.
(g) Check if the MIL goes off.
OK:
MIL goes off.
NG -- CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT IN WIRE HARNESS)
OK -- REPAIR CIRCUITS INDICATED BY OUTPUT DTCS See: Powertrain Management/Computers and Control Systems/Testing
and Inspection/Diagnostic Trouble Code Descriptions/Engine Control - SFI System
3. CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT IN WIRE HARNESS)
(a) Disconnect the hybrid vehicle control ECU connector.
Text in Illustration
(b) Turn the power switch on (IG).
(c) Check that the MIL is not illuminated.
OK:
MIL is not illuminated.
(d) Reconnect the hybrid vehicle control ECU connector.
NG -- CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HYBRID VEHICLE CONTROL
ECU)
OK -- REPLACE HYBRID VEHICLE CONTROL ECU See: Hybrid Drive Systems/Power Control System/Drive Motor Control
Module/Service and Repair/Removal
4. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HYBRID VEHICLE CONTROL ECU)
(a) Disconnect the combination meter assembly connector.
(b) Disconnect the hybrid vehicle control ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance (Check for Short):