toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 3322 > < Component Tests and General Diagnostics|Page 3320
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(a) Disconnect the ECM connectors.
(b) Turn the ignition switch to ON.
(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

(d) Reconnect the ECM connectors.

OK -- REPLACE ECM
NG -- Continue to next step.

6. INSPECT RELAY (IG2 RELAY POWER SOURCE)

(a) Remove the IG2 relay from the engine room No. 1 relay block.
(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (IG2 RELAY - BATTERY)
OK -- Continue to next step.

7. INSPECT IG2 RELAY

Component Tests and General Diagnostics|Page 3322 > < Component Tests and General Diagnostics|Page 3320