scion Workshop Repair Guides

Scion Workshop Service and Repair Manuals

Component Tests and General Diagnostics|Page 2717 > < Component Tests and General Diagnostics|Page 2715
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(a) Remove the integration relay from the engine room relay block.
(b) Disconnect the ECM connector.
(c) Measure the resistance according to the value(s) in the table below.

Standard resistance (Check for open):

Standard resistance (Check for short):

(d) Reinstall the integration relay.
(e) Reconnect the ECM connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

5. CHECK HARNESS AND CONNECTOR (ECM - BODY GROUND)

(a) Disconnect the ECM connector.
(b) Measure the resistance according to the value(s) in the table below.

Standard resistance (Check for open):

(c) Reconnect the ECM connector.

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

6. INSPECT ECM (IGSW TERMINAL VOLTAGE)

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