Toyota 1RZ, Supplement Manual

Page: 132 / 525

FI2547
-- DIAGNOSTICS ENGINE (1RZ--E)
DI--43
INSPECTION PROCEDURE
HINT:
This diagnostic chart is based on the premise that the engine is cranked normally. If the engine is not
cranked, proceed to the problem symptoms table
on page DI -- 18.
1 Check output condition of diagnostic trouble code 43.
PREPARATION:
Setting the test mode.
(a)
Turn ignition switch OFF.
(b) Using SST, connect terminals TE2 and E1 of check con-
nector.
SST 09843 -- 18020
(c) Turn ignition switch ON. (Don’t start the engine).
(d)
Using SST, connect terminals TE1 and E1 of check con-
nector.
SST 09843 -- 18020
CHECK:
Check if code ”43” is output by the check engine warming light.
OK:
Code ”43” is output.
CHECK:
Start the engine.
Check if the code ”43” disappear.
OK:
Code ”43” is not output.
OK Proceed to next circuit inspection shown on
problem symptom table (See page DI--18).
NG
2 Check for open in harness and connector between engine ECU and starter relay
(Marking: ST) (See page IN--21).
NG Repair or replace harness or connector.
OK
Check and replace engine ECU
(See page IN--21).
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3RZ-F,3RZ-FE