Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Sienna 1998-2003 Approved FSM 05 ax ciodcanc
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DI-201
DIAGNOSTICS - AUTOMATIC TRANSAXLE
DI0D0-08
O/D Cancel Signal Circuit
CIRCUIT DESCRIPTION
While driving uphill with cruise control activated, in order to minimize gear shifting and provide smooth cruis-
ing overdrive may be prohibited temporarily under some condition.
The cruise control ECU sends O/D cut signals to the ECM as necessary and the ECM cancels overdrive
shifting until these signals are discontinued.
WIRING DIAGRAM
Cruise Control ECU ECM
B+
24 OD1
OD 14 B-L
E9
F03443
2001 SIENNA (RM787U)
Author : Date : 355
DI-202
DIAGNOSTICS - AUTOMATIC TRANSAXLE
INSPECTION PROCEDURE
1 Check voltage between terminal OD1 of ECM and body ground.
ON PREPARATION:
OD1 Turn the ignition switch ON.
CHECK:
Measure voltage between terminal OD1 of ECM and body
ground.
OK:
(-) (+)
Voltage: 10 - 14 V
D06496 OK Proceed to next circuit inspection shown in
matrix chart (See page DI-171 ).
NG
2 Check voltage between terminal OD of cruise control ECU harness side connec-
tor and body ground.
PREPARATION:
ON (a) Disconnect the cruise control ECU connector.
(b) Turn the ignition switch ON.
CHECK:
Measure voltage between terminal O/D of cruise control ECU
harness side connector and body ground.
OK:
Voltage: 10 - 14 V
OD
(-) (+)
AB0119
N19917 I00742
OK Check and replace the cruise control ECU.
NG
2001 SIENNA (RM787U)
Author : Date : 356
DI-203
DIAGNOSTICS - AUTOMATIC TRANSAXLE
3 Check harness and connector between cruise control ECU and ECM
(See page IN-31 ).
NG Repair or replace the harness or connector.
OK
Check and replace the ECM
(See page IN-31 ).
2001 SIENNA (RM787U)
Author : Date : 357
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