Toyota RAV4 manuals

Toyota Sienna Service Manual: Taillight Relay Circuit

DESCRIPTION

The Multiplex network body ECU controls TAIL relay when signal is received from headlight dimmer switch assembly.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 PERFORM ACTIVE TEST BY INTELLIGENT TESTER

  1. Connect the intelligent tester to DLC3.
  2.  Turn the ignition switch ON and push the intelligent tester main switch ON.
  3.  Select the item below in the ACTIVE TEST and then check that the relay operates.

BODY NO.1:

BODY NO.1

2 INSPECT TAIL LIGHT RELAY

 INSPECT TAIL LIGHT RELAY

  1. Inspect tail light relay continuity.

Resistance

Resistance

3 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  1. Measure voltage between the terminal 1A-1 and body ground.

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

Resistance

Resistance

4 INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

  1. Measure voltage between the each of terminals as shown in the chart below

INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

Voltage

Voltage

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Parking Brake Switch Circuit
DESCRIPTION The Multiplex network body ECU receives parking brake switch signal. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE OF INTELLIGENT TESTER Connect the intelligent tester to DL ...

Headlight assembly
...

Other materials:

Removal
HINT:  Use the same procedures for the RH side and LH side.  The procedures listed below are for the LH side. 1. PRECAUTION CAUTION: Be sure to read "PRECAUTION" thoroughly before servicing. 2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 s ...

Starter Relay Circuit High
MONITOR DESCRIPTION While the engine is being cranked, the positive battery voltage is applied to terminal STA of the ECM. If the ECM detects the Starter Control (STA) signal while the vehicle is being driven, it determines that there is a malfunction in the STA circuit. The ECM then il ...

Adjustment
HINT: On the RH side, use the same procedures as on the LH side. 1. INSPECT SLIDE DOOR PANEL SUB-ASSEMBLY LH Check that the clearance is within the standard range. Standard 2. ADJUST SLIDE DOOR PANEL SUB-ASSEMBLY LH Using the SST, horizontally and vertically adjust the ...

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