Prius L4-1.8L (2ZR-FXE) Hybrid (2010)
(e) Check if any DTCs have been stored. Note down the DTCs.
(f) Clear the DTCs See: 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: 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 ECM 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 ECM connector.
NG -- CHECK HARNESS AND CONNECTOR (NO. 3 METER CIRCUIT PLATE - ECM)
OK -- REPLACE ECM See: Engine Control Module/Service and Repair/Removal
4. CHECK HARNESS AND CONNECTOR (NO. 3 METER CIRCUIT PLATE - ECM)
(a) Disconnect the No. 3 meter circuit plate connector.
(b) Disconnect the ECM connector.
(c) Measure the resistance according to the value(s) in the table below.