Toyota RM787U, Service And Repair Manual, Page: 704 / 1976

I02686
E1 (-)
+B (+)
DI-616
- DIAGNOSTICS ENGINE IMMOBILISER SYSTEM
770
Author: Date:
2001 SIENNA (RM787U)
INSPECTION PROCEDURE
1 Check voltage between ter B and E1 of ECM connectors.
PREPARATION:
(a)
Remove the glove compartment.
(b) Turn ignition switch ON.
CHECK:
Measure voltage between ter B and E1 of ECM con-
nectors.
OK:
Voltage: 9 - 14 V
OK Proceed to next circuit inspection shown in
problem symptoms (See page
DI-614 ).
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 (See page SF-64 ).
NG Replace EFI main relay.
OK