Sienna FWD V6-3.5L (2GR-FE) (2009)
(a) Remove the EFI relay from the engine room junction block.
(b) Disconnect the E4 ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard resistance:
Check for open
Check for short
(d) Reinstall the EFI relay.
(e) Reconnect the ECM connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (EFI RELAY - ECM)
OK -- Continue to next step.
13. CHECK HARNESS AND CONNECTOR (EFI RELAY - BODY GROUND)
(a) Check the harness and connector between the EFI relay and body ground.