Toyota 1RZ Supplement Manual page 256

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DI- -164
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
1 Check the starter signal.
NG
2 Check for open in harness and connector between engine ECU and starter re-
play (See page IN- -21).
OK
Check and replace engine ECU
(See page IN- -21).
DIAGNOSTICS
Using hand- -held tester:
PREPARATION:
(a)
(b)
CHECK:
Read the starter signal on the hand--held tester during crank-
ing.
OK:
When not using hand- -held tester:
PREPARATION:
Remove glove compartment
CHECK:
Measure voltage between terminal STA of engine ECU connec-
tor and body ground during cranking.
OK:
STA (+)
S04082
- - ENGINE (2RZ- -FE, 3RZ- -FE)
(See page DI -- 92)
Connect the hand--held tester to the DLC3.
Turn the ignition switch ON and hand--held tester main
switch ON.
Starter signal: ON
Voltage: 6.0 V or more
OK Proceed to next circuit inspection shown on
problem symptoms table
NG Repair or replace harness or connector.
3RZ-F,3RZ-FE Pages From Supplement
TO MODEL INDEX
(see page FI -- 61).
(See page DI- -92).