3-40
DRIVE-CONTROL
COMPONENTS
-
ABS
<FWD>
Diagnostic Trouble Codes
Conditions detected as a result of diagnosis are
associated with a total of 18 codes including that
These codes are readable by connecting the scan
,
for normal state, and the codes are stored in the
tool. When the scan tool is not used, they are also
d
volatile memory.
readable from the ABS warning light which is turned
Even if the ignition key is placed in the “OFF”
posi-
ON and OFF repeatedly in a pattern specific to
each code.
tion, the contents of the memory are not cleared,
as the memory remains powered by a backup power
supply.
1. Diagnostic items, diagnostic trouble codes and detection condition
Detection
Code No. display
condi-
on Scan tool
Inspection item
Diagnostic content
tions
A B
11*’
Front right wheel speed sensor
12*’
Front left wheel speed sensor
13*’
Open circuit or short in
+wire
x x
Rear right wheel speed sensor
14*’
Rear left wheel speed sensor
15*’
Wheel speed sensor system
Abnormal output signal
X
1
6*2
Power supply system
Abnormal battery positive voltage
x x
21*’ Front right wheel speed sensor
22*’ Front left wheel speed sensor
Excessive gap
23*’
Rear right wheel speed sensor
Long-time radio interference
X
24*’ Rear left wheel speed sensor
38*3
Stop light switch system
Open circuit or ON malfunction
x x
41
Front right solenoid valve
42 Front left solenoid valve
No response to solenoid valve drive
signal
x
x
43
Rear solenoid valve
51
Valve relay
Valve relay OFF failure
x x
53*4
Motor relay or Motor
Motor relay OFF failure and motor
drive failure
X
63
ABS-ECU
ABS-ECU internal failure (program
maze, etc)
x
x
No fault code
displayed
(The system is in order)
J
Detection conditions
A: During system check immediately after starting
B: During driving