toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 3612 > < Component Tests and General Diagnostics|Page 3610
Page 4
background image

NG -- CHECK HARNESS AND CONNECTOR (RELAY BLOCK - ECM, IGNITION SWITCH, BATTERY AND BODY
GROUND)
OK -- REPLACE ECM

5. CHECK HARNESS AND CONNECTOR (RELAY BLOCK - ECM, IGNITION SWITCH, BATTERY AND BODY GROUND)

(a) Disconnect the ECM connector.
(b) Disconnect the ignition switch connector.
(c) Disconnect the cable from the battery positive (+) terminal.
(d) Remove the AM2 fuse and integration relay.
(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Component Tests and General Diagnostics|Page 3612 > < Component Tests and General Diagnostics|Page 3610