Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Start the inspection from step 1 in the case of using the hand-held tester, and start from step 2 in the case of not using the hand-held tester.

READ VALUE OF HAND-HELD TESTER
1. Connect the hand-held tester to DLC3.
2. Turn the ignition switch ON and push the hand-held tester main switch ON.
3. Select the items below in the DATA LIST, and read the displays on the hand-held tester.
BODY NO.1:

Fig 1: Measurement Item/Display Normal Condition Table
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )
2. NG: Go to next step.
INSPECT PARKING BRAKE SWITCH ASSY
1. Check that there is continuity between the terminal and the body ground when parking brake switch is operated.
  Standard:
  
  ON (When shaft is pressed): No continuity
  
  OFF (When shaft is not pressed): Continuity
1. NG: REPLACE PARKING BRAKE SWITCH ASSY
2. OK: Go to next step.

CHECK HARNESS AND CONNECTOR

Fig 2: Identifying Instrument Panel Junction Block Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Disconnect the 1K connector from instrument panel junction block assy.

Check the continuity between the terminal 1K-10 of the instrument panel junction block assy connector side and body ground.

Standard:

TESTER CONNECTION SPECIFIED CONDITION

Tester connection	Condition	Specified condition
1K-10 - Body ground	Shaft of parking brake switch is pressed	No continuity
1K-10 - Body ground	Shaft of parking brake switch is not pressed	Continuity

NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE )