Toyota RM787U, Service And Repair Manual

Page: 550 / 1976

A02382
E1 (-)
+B (+)
BE6653
P23885
- DIAGNOSTICS ENGINE
DI-145
299
Author: Date:
2001 SIENNA (RM787U)
INSPECTION PROCEDURE
1 Check voltage between terminals
+
B and E1 of ECM connectors.
PREPARATION:
(a)
Remove the glove compartment (See page SF-83 ).
(b) Turn the ignition switch ON.
CHECK:
Measure voltage between terminals
+
B and E1 of the ECM
connectors.
OK:
Voltage: 9 - 14 V
OK Proceed to next circuit inspection shown on
problem symptoms table (See page
DI-21 ).
NG
2 Check for open in harness and connector between terminal E1 of ECM and body
ground (See page
IN-31 ).
NG Repair or replace harness or connector.
OK
3 Check EFI main relay (Marking: EFI) (See page SF-64 ).
NG Replace EFI main relay.
OK
4 Check EFI fuse (See page DI-135 ).
NG Check for short in all the harness and
components connected to EFI fuse.
OK