Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.

Check EFI No. 1 Fuse.
CHECK: continuity of EFI No. 1 fuse.

OK: continuity
1. NG: Replace the failure fuse.
2. OK: Go to step 2.
Check Voltage Between Terminals +B And GND Of Transponder Key ECU Connector.
PREPARATION:
1. Turn ignition switch OFF.
2. Disconnect the Transponder Key ECU connector.
CHECK: measure voltage between terminals +B and GND.

OK: voltage: 10-14 V.
1. OK: Proceed to next circuit inspection shown in problem symptoms table. See PROBLEM SYMPTOMS TABLE .
2. NG: Go to step 3.
Check Wiring Harness And Connector Between Transponder Key ECU And Body Ground.
1. NG: Repair or replace wiring harness or connector.
2. OK: Check and repair wiring harness and connector between Transponder Key ECU and Battery.