Inspection Procedure
- INSPECT RELAY (Marking: IG2)
- Remove the IG2 relay from the engine room R/B No. 2.
- Measure the resistance of the relay.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Specified Condition 3 - 5 10 kΩ or higher 3 - 5 Below 1 Ω
(when battery voltage is applied to terminals 1 and 2)
NG: REPLACE RELAY
OK: Go to next step
- CHECK WIRE HARNESS (ENGINE ROOM R/B NO. 2 - POWER SOURCE CONTROL ECU)
- Remove the IG2 relay from the engine room R/B No. 2.
- Disconnect the K73 ECU connector.
- Measure the resistance of the wire harness side connectors.
Standard resistance
TESTER CONNECTION SPECIFIED CONDITION CHARTTester Connection Specified Condition Engine room R/B No. 2 IG2 relay terminal 2 - K73-35 (IG2D) Below 1 Ω Engine room R/B No. 2 IG2 relay terminal 1 - Body ground Below 1 Ω
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: REPLACE POWER SOURCE CONTROL ECU