COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
Water Pump
On-vehicle InspectionDaytime Running Light Relay Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) controls the daytime
running lights.
WIRING DIAGRAM
1. for Halogen Headlight
2. for HID Headlight
PROCEDURE
1.
PERFORM ACTIVE TEST USING TECHSTREAM
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedures to troubleshoot the tire pressure warning
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
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ECU Power Source Circuit
DESCRIPTION
When the ignition switch is turned to ON, voltage from the ECM's MREL terminal
is applied to the EFI MAIN relay. This causes the contacts of the EFI MAIN relay
to close, which supplies power to terminal +B of the TCM.
WIRING DIAGRAM
PR ...