Inspection Procedure
- INSPECT FUSE (AM2, MPX-B1 IG2, IG2 MAIN, D/C CUT, IGN)
- Remove the MPX-B1 and IG2 fuses from the passenger side J/B.
- Remove the AM2 M-fuse, D/C CUT and IG2 MAIN fuses from the engine room No. 1 R/B.
- Remove the IGN fuse from the engine room No. 2 R/B.
- Measure the resistance of the fuses.
Standard: Below 1 Ω
- NG: REPLACE FUSE
- OK: Go to next step.
- INSPECT RELAY (Marking: IG2)
- Remove the IG2 relay from the engine room No. 1 R/B, J/B.
- Measure the resistance of the relay.
Standard:
RELAY (MARKING: IG2)Tester Connection Specified Condition 3 - 5 10 k ohms or higher 3 - 5 Below 1 ohms (when battery voltage is applied to terminals 1 and 2) - NG: REPLACE RELAY
- OK: Go to next step.
- CHECK WIRE HARNESS (TRANSPONDER KEY ECU ASSY - BATTERY AND BODY GROUND)
- Disconnect the T13 ECU connector.
- Measure the resistance and voltage of the wire harness side connector.
Standard:
TRANSPONDER KEY ECU ASSY - BATTERY AND BODY GROUNDTester Connection Condition Specified Condition T13-1 (CPUB) - Body ground Always 10 to 14 V T13-2 (IG2) - Body ground Ignition switch ON 10 to 14 V T13-14 (GND) - Body ground Always Below 1 ohms Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
- OK: REPLACE TRANSPONDER KEY ECU ASSY