F13445
FL MAIN
Battery
4
F8 Fusible
Link Block
5
9
23
W-B
8
EE
+BM
+BS
GND2
GND1
Skid Control ECU
B-L
1
2
1
6
2L
2L
W-R
W-G
24
Engine Room R/B No. 2
Engine Room J/B No. 2
2J
2F
2C
W-B
W-B
W-B
5
10
EA
IG
B-G
2
W-L
2
60A ABS
2
1
2B
Engine Room J/B No. 2
-
DIAGNOSTICS
ANTI-LOCK BRAKE SYSTEM
DI-229
383
Author:
Date:
2001 SIENNA (RM787U)
DTC
13, 14
ABS Motor Relay Circuit
CIRCUIT DESCRIPTION
The ABS motor relay supplies power to the ABS pump motor. While the ABS is activated, the ECU switches
the ABS motor relay ON and operates the ABS pump motor.
DTC No.
DTC Detecting Condition
Trouble Area
13
Detection of any conditions in 1. and 2.:
1. When pump motor relay is ON, relay contact is OFF
*1
for 0.2 sec. or longer.
2. When pump motor relay is turned ON, relay contact is
OFF*
1
for 0.5 sec. or longer.
ABS motor relay
P
t
lt
14
Detection of any conditions in 1. and 2.:
1. When pump motor relay is OFF, relay contact is ON
*2
for 0.2 sec. or longer.
2. When pump motor relay is turned OFF, relay contact is
ON*
2
for 2 sec. or longer.
Pump motor voltage
Pump motor lead disconnected
*
1
Relay contact OFF condition: BM terminal voltage is below 1.5 V.
*
2
Relay contact ON condition: BM terminal voltage is 4.0 V or above.
WIRING DIAGRAM
DI041-12
