Inspection Procedure

CHECK SECURITY INDICATOR LIGHT

Fig 1: Identifying Security Indicator
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1. Remove the security indicator.
2. Apply battery voltage and check that the indicator light come on, as shown in the illustration and table.
  Standard:
  
  Fig 2: Security Indicator Light Measuring Condition & Operation Chart
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  1. NG: REPLACE SECURITY INDICATOR LIGHT
  2. OK: Go To Next Step
CHECK WIRE HARNESS (TVIP ECU <--> SECURITY INDICATOR)

Fig 3: Identifying TVIP ECU & Security Indicator Connector Terminals
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1. Disconnect the TVIP ECU and security indicator connectors.
2. Check the continuity between the terminals of the TVIP ECU connector and security indicator connector, as shown in the illustration and table.
  Standard:
Fig 4: TVIP ECU & Security Indicator Connector Terminals Continuity Chart
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1. NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
2. OK: Go To Next Step
CHECK WIRE HARNESS (SECURITY INDICATOR <--> BODY GROUND)

Fig 5: Identifying GND Terminal Of Security Indicator
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1. Disconnect the security indicator connector.
2. Check the continuity between the terminal of the security indicator connector and the body ground, as shown in the illustration and table.
  Standard:
Fig 6: Security Indicator & Body Ground Terminals Continuity Chart
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: REPAIR OR REPLACE WIRE HARNESS AND CONNECTOR
2. OK: CHECK AND REPLACE TVIP ECU (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )