Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Toyota Echo 2000-2002 Approved techinfo.toyota.com ileaf 02toyrm 02toypdf 02rmsour 2002 02echorm di ax cip1780
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DI-189
DIAGNOSTICS - AUTOMATIC TRANSAXLE
DI6UG-02
DTC P1780 Park/Neutral Position Switch Malfunction
CIRCUIT DESCRIPTION
The neutral start switch detects the shift lever position and sends signals to the ECM. The ECM receives
signals (NSW, R, D, 2 and L) from the park/neutral position switch.
DTC No. DTC Detecting Condition Trouble Area
When driving under conditions (a), (b), (c) and (d) for 30 se-
conds or more, the park/neutral position switch is ON (N posi-
tion).
S Shot in park/neutral position switch circuit
(2-trip detection condition)
P1780 S Park/neutral position switch
(a) Vehicle speed: 70 km/h (44 mph) or more
S ECM
(b) Engine speed: 1,500 - 2,500
(c) Engine load: 0.6 g/rev
(d) Manifold absolute pressure: 350 mmHg or more
2002 ECHO (RM884U)
Author : Date : 359
DI-190
DIAGNOSTICS - AUTOMATIC TRANSAXLE
WIRING DIAGRAM
N1
Park/Neutral ECM
Position Switch
5
DL 7
E7 D
R-Y
Instrument Panel J/B
3 9 13 17
RL 2
4 IE1 1E 1H E4 R
3 RB R-Y R-Y R-Y
IE1
R-B
R-B 7 4 6 18
4
IE1 1E 1H E4 2
1E 5 2L G G G
14 3 4 19
8
IE1 1E 1H E4 L
GAUGE LL G-W G-W G-W
7 15 22
1O 1H E4 NSW
1O 4 Ignition Switch B B
Instrument 1 7
Panel J/B 4 5
1O 1A
ST2 AM2 W-R
8 AM1 1
B-Y 2 1 2 1
1O 1C W-R
IG1 AM1 W-L
*1
4 B-G
*2
ALT B
AM2
1 2
Battery 2
1 1
MAIN B-L
Fusible Link Block Engine Room R/B
*1: Ex. Puerto Rico
*2: Puerto Rico
D07922
2002 ECHO (RM884U)
Author : Date : 360
DI-191
DIAGNOSTICS - AUTOMATIC TRANSAXLE
INSPECTION PROCEDURE
1 Read PNP, REVERSE, 2ND and LOW signals.
When using TOYOTA hand-held tester:
PREPARATION:
(a) Connect a hand-held tester to the DLC3.
(b) Turn the ignition switch ON and TOYOTA hand-held tes-
ter main switch ON.
CHECK:
Shift lever into the P, R, N, 2 and L positions, and read the NSW,
REVERSE, 2ND and LOW signals on the hand-held tester.
OK:
Shift range Signal
2 2ND OFF ON
L LOW OFF ON
D DRIVE OFF ON
R REVERSE OFF ON
P, N NSW OFF ON
ON When not TOYOTA using hand-held tester:
PREPARATION:
D NSW L 2 R Turn the ignition switch ON.
CHECK:
Measure voltage between each of terminals NSW, R, D, 2 and
L of ECM and body ground when the shift lever is shifted to the
(-) (+) following positions.
BE3840 OK:
D05644
D08440
NSW-Body R-Body D-Body 2-Body L-Body
Position
ground ground ground ground ground
P 9 - 14 V 0V 0V 0V 0V
R 0V 9 - 14 V 0V 0V 0V
N 0V 0V 0V 0V 0V
D 0V 0V 9 - 14 V 0V 0V
2 0V 0V 0V 9 - 14 V 0V
L 0V 0V 0V 0V 9 - 14 V
HINT:
*: The voltage will drop slightly due to lighting up of the back up
light.
OK Check and replace the ECM.
NG
2002 ECHO (RM884U)
Author : Date : 361
DI-192
DIAGNOSTICS - AUTOMATIC TRANSAXLE
2 Check park/neutral position switch.
PREPARATION:
Remove the park/neutral position switch.
CHECK:
Check continuity between each terminal shown below when the
shift lever is moved to each position.
Shift position Terminal No. to continuity
P 3-5 6-9
R 3-4 -
D06601
N 1-3 6-9
D 3-8 -
2 2-3 -
L 3-7 -
OK:
There is continuity.
NG Replace the park/neutral position switch.
OK
3 Check harness and connector between battery and park/neutral position switch,
park/neutral position switch and ECM (See page IN-29 ).
NG Repair or replace the harness and connector.
OK
Check and replace the ECM
(See page IN-29 ).
2002 ECHO (RM884U)
Author : Date : 362
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