Toyota Sienna Service Manual: Headlight assembly

Taillight Relay Circuit

DESCRIPTION The Multiplex network body ECU controls TAIL relay when signal is received from headlight dimmer switch assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST BY IN ...

Components

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Other materials:

Diagnostic trouble code chart
1. DTC CHECK If a malfunction code is displayed during the DTC check , check the suspected area listed for that code in the table below, and proceed to the appropriate page. DIAGNOSTIC TROUBLE CODE CHART DTC No. Detection Item Suspect Area B1244 Light Se ...

Diagnostic trouble code chart
HINT: The parameters listed in the chart may not confirm exactly to those read during the DTC check due to the type of instrument or other factors. If a trouble code is displayed during the DTC check in the check mode, check the circuit for the code listed in the table below. For details of ...

Taillight Relay Circuit
DESCRIPTION The Multiplex network body ECU controls TAIL relay when signal is received from headlight dimmer switch assembly. WIRING DIAGRAM INSPECTION PROCEDURE 1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER Connect the intelligent tester to DLC3.  Turn the ignition switch ON and ...