Toyota 1RZ, Supplement Manual

Page: 256 / 525

S04082
STA (+)
DI--164
-- DIAGNOSTICS ENGINE (2RZ--FE, 3RZ--FE)
INSPECTION PROCEDURE
HINT:This diagnostic chart is based on the premise that engine is cranked normally. If the engine is not
cranked, proceed to the problem symptoms table
(See page DI -- 92)
1 Check the starter signal.
Using hand--held tester:
PREPARATION:
(a) Connect the hand--held tester to the DLC3.
(b) Turn the ignition switch ON and hand--held tester main
switch ON.
CHECK:
Read the starter signal on the hand--held tester during crank-
ing.
OK:
Starter signal: ON
When not using hand--held tester:
PREPARATION:
Remove glove compartment (see page FI -- 6
1
).
CHECK:
Measure voltage between terminal STA of engine ECU connec-
tor and body ground during cranking.
OK:
Voltage: 6.0 V or more
OK Proceed to next circuit inspection shown on
problem symptoms table (See page DI--92).
NG
2 Check for open in harness and connector between engine ECU and starter re-
play (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