Lexus ES300 (1997 year). Manual - part 104
N20131
10 6 5 1
N20135
Junction Block Side
1211
1
2
3
10
9 8 7 6 5 4
BE–22
–
BODY ELECTRICAL
IGNITION SWITCH AND KEY UNLOCK WARNING
SWITCH
1406
1997 LEXUS ES300 (RM511U)
(f)
Connect the negative (–) lead from the battery to terminal
6.
(g)
Disconnect the negative (–) lead from the battery to termi-
nal 5.
(h)
Check that the buzzer stops sounding.
If operation is not as specified, replace the relay.
6.
INSPECT INTEGRATION RELAY CIRCUIT
(a)
Remove the relay from the junction block No.1 and in-
spect the connector on the junction block side.
Tester connection
Condition
Specified condition
2 – Ground
All door courtesy switches OFF (Door closed)
No continuity
2 – Ground
One of the door courtesy switches ON (Door
opened)
Continuity
4 – Ground
Door courtesy switches except that of the driver’s
door OFF (Door closed)
No continuity
4 – Ground
One of the door courtesy switches except that of
the driver’s door ON (Door opened)
Continuity
3 – Ground
Door outside handle switch OFF
No continuity
3 – Ground
Door outside handle switch ON
Continuity
5 – Ground
Key unlock warning switch OFF
No continuity
5 – Ground
Key unlock warning switch ON
Continuity
6 – Ground
Driver’s door courtesy switch OFF (Door closed)
No continuity
6 – Ground
Driver’s door courtesy switch ON (Door opened)
Continuity
8 – Ground
Buckle switch OFF (Seat belt unfastened)
No continuity
8 – Ground
Buckle switch ON (Seat belt fastened)
Continuity
10 – Ground
Constant
Continuity
1 – Ground
Constant
Battery positive voltage
7 – Ground
9 – Ground
Ignition switch LOCK or ACC
No voltage
7 – Ground
9 – Ground
Ignition switch ON
Battery positive voltage
11 – Ground
Ignition switch LOCK
No voltage
11 – Ground
Ignition switch ACC or ON
Battery positive voltage