Toyota RM787U, Service And Repair Manual

Page: 533 / 1976

AB0119
I00139
I00175
ON
D
(-) (+)
- DIAGNOSTICS CRUISE CONTROL SYSTEM
DI-597
751
Author: Date:
2001 SIENNA (RM787U)
3 Check voltage between terminal D of cruise control ECU connector and body
ground.
PREPARATION:
Turn ignition switch ON.
CHECK:
Measure voltage between terminal D of ECU connector and
body ground when shifting into D position and other positions.
OK:
Shift Position Voltage
D position 10 - 14 V
Other positions Below 1 V
OK Proceed to next circuit inspection shown on
problem symptom table (See page
DI-572 ).
NG
4 Check harness and connector between cruise control ECU and park/neutral
position switch (See page
IN-31 ).
NG Repair or replace harness or connector.
OK
Check and replace cruise control ECU (See
page
IN-31 ).