Information Bus Component Testing for Venza FWD L4-27L (1AR-FE) (2009) Powertrain Management
Text in Illustration
(2) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
(c) for 2GR-FE engine:
(1) Disconnect the connector of the ECM.
Text in Illustration
(2) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (ECM MAIN WIRE)
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL)
(a) Check for ECM Power Source Circuit (1AR-FE: See: Testing and Inspection/Component Tests and General Diagnostics/Crankshaft
Position Sensor, 2GR-FE: See: Testing and Inspection/Component Tests and General Diagnostics/Crankshaft Position Sensor).
Result:
C -- REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
B -- REPLACE ECM
A -- REPLACE ECM
Power Management Control ECU Communication Stop Mode