Toyota 1RZ Supplement Manual page 137

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DI- -48
S tarter S i gnal Ci rcui t *
CIRCUIT DESCRIPTION
Refer to DTC43 (Starter Signal Circuit)
WIRING DIAGRAM
Re fer to page DI -- 42
INSPECTION PROCEDURE
HINT:
This diagnostic chart is based on the premise that the engine is being cranked under normal conditions. If
the engine does not crank, proceed to the problem symptoms table on
1 Ch eck th e start er sig n al.
START
STA
NG
2 Ch eck fo r o p en in h arn ess an d co n n ecto r b etween en g in e ECU an d starter relay
(See p ag e IN - - 21).
OK
Check and replace engine ECU.
DIAGNOSTICS
on page DI -- 42.
for the WIRING DIAGRAM.
(+) (--)
A02454
- - ENGINE (1RZ- -E)
PREPARATION:
Re mo ve the g lo ve co mpartment.(See page FI -- 61)
CHE CK:
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
probl e m s y m ptoms ta bl e
NG Repair or replace harness or connector.
Pages From Supplement
3RZ-F,3RZ-FE
TO MODEL INDEX
page DI -- 18.
(S e e pa ge DI - - 1 8 ).
DI1HX- -01