2007 TOYOTA SIENNA Service Repair Manual

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Page 617 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–3242GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(a) Connect the intelligent tester to the DLC3.
(b) Turn the ignition switch to the ON position.
(c) Turn the tester on.
(d) Clear the DTC.
(e)

Page 618 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–325
ES
DESCRIPTION
The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is
functioning properly. If outputs from

Page 619 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–3262GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(h) Turn the ignition switch to the ON position.
(i) Enter the following menus: DIAGNOSIS / ENHANCED II
/ DTC INFO / CURRENT CODES.
(j) Read t

Page 620 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–327
ES
MONITOR DESCRIPTION
While the engine is being cranked, the positive battery voltage is applied to terminal STA of the ECM.
If the ECM detects t

Page 621 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–3282GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT:
• The following troubleshooting flowchart is based on the premise that the engine is cranked normal

Page 622 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–329
ES
• Read freeze frame data using the intelligent tester. The ECM records vehicle and driving condition
information as freeze frame data the mo

Page 623 of 3000

TOYOTA SIENNA 2007 Service Repair Manual ES–3302GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
ES
(c) Select the following menu items: DIAGNOSIS /
ENHANCED OBD II / DATA LIST / ALL / STARTER SIG.
(d) Check the value displayed on the tester

Page 624 of 3000

TOYOTA SIENNA 2007 Service Repair Manual 2GR-FE ENGINE CONTROL SYSTEM – SFI SYSTEMES–331
ES
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR (PNP SWITCH - STA TERMINAL OF ECM)

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