Toyota RM787U, Service And Repair Manual

Page: 554 / 1976

A02064
ON
FC (+)
- DIAGNOSTICS ENGINE
DI-149
303
Author: Date:
2001 SIENNA (RM787U)
INSPECTION PROCEDURE
1 Check operation of fuel pump (See page SF-6 ).
OK Check for starter signal circuit
( See page
DI-141 ).
NG
2 Check for ECM power source circuit (See page DI-144 ).
NG Repair or replace.
OK
3 Check circuit opening relay (See page SF-66 ).
NG Replace circuit opening relay.
OK
4 Check voltage between terminal FC of ECM and body ground
PREPARATION:
(a)
Remove the glove compartment (See page SF-83 ).
(b) Turn ignition switch ON.
CHECK:
Measure voltage between terminal FC of ECM and body
ground.
OK:
Voltage 9 - 14 V
NG Check for open in harness and connector be-
tween EFI main relay (Marking: EFI) and circuit
opening relay, circuit opening relay and ECM.
OK