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Engine Controls - System/component Tests: Diagnosis Lexus GS I

Testing & Diagnostics 5 illustrations ~148 words

Test Procedure No. 1

  1. Continuity should exist between terminals No. 1 and 2.
  2. Continuity should not exist between terminals No. 3 and 5.
  3. Apply battery voltage across terminals No. 1 and 2. Continuity should exist between terminals No. 3 and 5.

Test Procedure No. 2

  1. Continuity should exist between terminals ST and E1, and between terminals +B and FCC.
  2. Continuity should not exist between terminals +B and FP.
  3. Apply battery voltage across terminals ST and E1. Continuity should exist between terminals +B and FP.

Test Procedure No. 3

  1. Continuity should exist between terminals No. 1 and 3.
  2. Continuity should not exist between terminals No. 2 and 4.
  3. Apply battery voltage across terminals No. 1 and 3. Continuity should exist between terminals No. 2 and 4.
Application(1) Connector TypeTest Procedure No.
EFI Main11
IG2 (Ignition Main)11
Starter33
(1) (Scheme 3)-15.
(1)(Scheme 3)-15.

RELAY CONNECTOR TYPE & TEST PROCEDURE NUMBER

Scheme 3

Scheme 3
Scheme 3

Scheme 4

Scheme 4
Scheme 4

Scheme 5

Scheme 5
Scheme 5

Scheme 6

Scheme 6
Scheme 6

Scheme 7

Scheme 7
Scheme 7

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