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BE-68
BODY ELECTRICAL - POWER DOOR LOCK CONTROL SYSTEM
BE1FD-02
INSPECTION
1. 2 door models driver's door (w/ Power window):
INSPECT DOOR LOCK CONTROL SWITCH CONTINU-
ITY
Switch position Tester connection Specified condition
LOCK 1-2 Continuity
OFF - No continuity
I02621
UNLOCK 1-5 Continuity
If continuity is not as specified, replace the switch.
2. 4 door models driver's door (w/ Power window):
INSPECT DOOR LOCK CONTROL SWITCH CONTINU-
ITY
Switch position Tester connection Specified condition
LOCK 2 - 3, 2 - 4 Continuity
OFF - No continuity
UNLOCK 3 - 7, 4 - 7 Continuity
If continuity is not as specified, replace the switch.
I12010
3. Passenger 's door (w/ Power window):
INSPECT DOOR LOCK CONTROL SWITCH CONTINU-
ITY
Switch position Tester connection Specified condition
LOCK 3-4 Continuity
OFF - No continuity
UNLOCK 2-4 Continuity
If continuity is not as specified, replace the switch.
I12365
4. w/o Power window :
INSPECT DOOR LOCK CONTROL SWITCH CONTINU-
ITY
Switch position Tester connection Specified condition
LOCK 1-3 Continuity
OFF - No continuity
UNLOCK 1-6 Continuity
Illumination circuit 2-4 Continuity
I12016
If continuity is not as specified, replace the switch.
5. Front left side door:
INSPECT DOOR KEY LOCK AND UNLOCK SWITCH
CONTINUITY
Switch position Tester connection Specified condition
UNLOCK
LOCK 3-5 Continuity
OFF - No continuity
UNLOCK 3-6 Continuity
LOCK
If continuity is not as specified, replace the door lock assembly.
I12354
2002 ECHO (RM884U)
Author : Date : 1272
BE-69
BODY ELECTRICAL - POWER DOOR LOCK CONTROL SYSTEM
6. Front right side door:
INSPECT DOOR KEY LOCK AND UNLOCK SWITCH
CONTINUITY
Switch position Tester connection Specified condition
LOCK 2-4 Continuity
UNLOCK OFF - No continuity
UNLOCK 1-4 Continuity
LOCK
If continuity is not as specified, replace the door lock assembly.
I12355
7. Driver's door:
INSPECT DOOR UNLOCK DETECTION SWITCH CON-
TINUITY
Switch position Tester connection Specified condition
OFF (Door Lock set to
- No continuity
LOCK)
UNLOCK
ON (Door Lock set to
3-4 Continuity
UNLOCK)
I12348 If continuity is not as specified, replace the door lock assembly.
2 1 8. Front left side door:
INSPECT DOOR LOCK MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2, and check that
the door lock link moves to UNLOCK position.
UNLOCK
I12343
2 1 (b) Reverse the polarity and check that the door lock link
moves to LOCK position.
If operation is not as specified, replace the door lock assembly.
LOCK
I12344
5
9. Front right side door:
6
INSPECT DOOR LOCK MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
5 and the negative (-) lead to terminal 6, and check that
the door lock link moves to UNLOCK position.
UNLOCK
I12345
2002 ECHO (RM884U)
Author : Date : 1273
BE-70
BODY ELECTRICAL - POWER DOOR LOCK CONTROL SYSTEM
(b) Reverse the polarity and check that the door lock link
6 5
moves to LOCK position.
If operation is not as specified, replace the door lock assembly.
LOCK
I12346
UNLOCK 10. Rear left side door (Except Puerto Rico models):
1 INSPECT DOOR LOCK MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
2
1 and the negative (-) lead to terminal 2, and check that
the door lock link moves to UNLOCK position.
I12382
(b) Reverse the polarity and check that the door lock link
LOCK
1 moves to LOCK position.
If operation is not as specified, replace the door lock assembly.
2
I12383
11. Rear right side door (Except Puerto Rico models):
UNLOCK 2 1 INSPECT DOOR LOCK MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2, and check that
the door lock link moves to UNLOCK position.
I12384
(b) Reverse the polarity and check that the door lock link
LOCK 2 1 moves to LOCK position.
If operation is not as specified, replace the door lock assembly.
I12385
2002 ECHO (RM884U)
Author : Date : 1274
BE-71
BODY ELECTRICAL - POWER DOOR LOCK CONTROL SYSTEM
12. Rear left side door (Puerto Rico models):
UNLOCK
2 1 INSPECT DOOR LOCK MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
1 and the negative (-) lead to terminal 2, and check that
the door lock link moves to UNLOCK position.
I12386
(b) Reverse the polarity and check that the door lock link
LOCK
2 1 moves to LOCK position.
If operation is not as specified, replace the door lock assembly.
I12387
13. Rear right side door (Puerto Rico models):
UNLOCK
4 3 INSPECT DOOR LOCK MOTOR OPERATION
(a) Connect the positive (+) lead from the battery to terminal
3 and the negative (-) lead to terminal 4, and check that
the door lock link moves to UNLOCK position.
I12388
(b) Reverse the polarity and check that the door lock link
LOCK
4 3 moves to LOCK position.
If operation is not as specified, replace the door lock assembly.
I12389
2002 ECHO (RM884U)
Author : Date : 1275
BE-72
BODY ELECTRICAL - POWER DOOR LOCK CONTROL SYSTEM
Wire harness side: 14. INSPECT DOOR LOCK CONTROL RELAY CIRCUIT
Disconnect the connector from the door lock control relay and
inspect the connector on the wire harness side, as shown in the
chart.
I12350
Tester connection Condition Specified condition
Driver door unlock detection switch OFF
5 - Ground No continuity
(door locked)
Driver door unlock detection switch ON
5 - Ground Continuity
(door unlocked)
Driver's and passenger's door lock control switch
7 - Ground No continuity
UNLOCK or OFF
Driver's or passenger's door lock control switch
7 - Ground Continuity
LOCK
Driver's and passenger's door lock control switch
8 - Ground No continuity
LOCK or OFF
Driver's or passenger's door lock control switch
8 - Ground Continuity
UNLOCK
Driver's door key lock and unlock switch
9 - Ground No continuity
UNLOCK or OFF
9 - Ground Driver's door key lock and unlock switch LOCK Continuity
Front passenger's door key lock and unlock
9 - Ground No continuity
switch UNLOCK or OFF
Front passenger's door key lock and unlock
9 - Ground Continuity
switch LOCK
Driver's door key lock and unlock switch
10 - Ground No continuity
LOCK or OFF
Driver's door key lock and unlock switch
10 - Ground Continuity
UNLOCK
Front passenger's door key lock and unlock
11 - Ground No continuity
switch LOCK or OFF
Front passenger's door key lock and unlock
11 - Ground Continuity
switch UNLOCK
18 - Ground Driver's door courtesy switch OFF No continuity
18 - Ground Driver's door courtesy switch ON Continuity
19 - Ground Front passenger's door courtesy switch OFF No continuity
19 - Ground Front passenger's door courtesy switch ON Continuity
19 - Ground Rear left side door courtesy switch OFF No continuity
19 - Ground Rear left side door courtesy switch ON Continuity
19 - Ground Rear right side door courtesy switch OFF No continuity
19 - Ground Rear right side door courtesy switch ON Continuity
25 - Ground Constant Continuity
3 - Ground Ignition switch OFF No voltage
2002 ECHO (RM884U)
Author : Date : 1276
BE-73
BODY ELECTRICAL - POWER DOOR LOCK CONTROL SYSTEM
3 - Ground Ignition switch ON Battery positive voltage
14 - Ground Constant Battery positive voltage
If circuit is as specified, inspect the door lock signal.
15. Driver's door lock signal:
2
UNLOCK INSPECT DOOR LOCK CONTROL RELAY OPERA-
TION
HINT:
When the relay circuit is as specified, inspect the door lock sig-
nal.
1 (a) Connect the positive (+) lead from the voltmeter to termi-
nal 2 and the negative (-) lead to terminal 1.
I12370 (b) Set the door lock control switch to UNLOCK and check
that the voltage rises from 0 V to battery positive voltage
for approximately 0.2 seconds.
(c) Reverse the polarity of the voltmeter leads.
LOCK 2 (d) Set the door lock control switch to LOCK and check that
the voltage rises from 0 V to battery positive voltage for
approximately 0.2 seconds.
If operation is not as specified, replace the relay.
1
I12371
2002 ECHO (RM884U)
Author : Date : 1277
BE-74
BODY ELECTRICAL - POWER DOOR LOCK CONTROL SYSTEM
16. Except driver's door lock signal:
INSPECT DOOR LOCK CONTROL RELAY OPERA-
UNLOCK
1 TION
13 HINT:
When the relay circuit is as specified, inspect the door lock sig-
nal.
(a) Connect the positive (+) lead from the voltmeter to termi-
nal 13 and the negative (-) lead to terminal 1.
I12318 (b) Set the door lock control switch to UNLOCK and check
that the voltage rises from 0 V to battery positive voltage
for approximately 0.2 seconds.
(c) Reverse the polarity of the voltmeter leads.
LOCK
(d) Set the door lock control switch to LOCK and check that
1 the voltage rises from 0 V to battery positive voltage for
13 approximately 0.2 seconds.
If operation is not as specified, replace the relay.
I12317
2002 ECHO (RM884U)
Author : Date : 1278
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