2002-2007 Toyota Caldina 4 Door ABS / TRC / VSC & BA -> ABS, TRC, VSC & BA ECU Pin Configuration & Inspection User Manual
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ABS / TRC / VSC & BA -> ABS, TRC, VSC & BA ECU Pin Configuration & Inspection for Your Toyota Caldina 4 Door Third Generation (2002-2007)

ABS & TRC & VSC & BA ECU Pin Configuration  
Input /  
Terminal Name  
Output  
Item  
Condition  
Standard  
SRLH ? GND  
IG ON, after elapsed  
approx.1.5 seconds  
1
6
7
(rear LH solenoid  
output)  
Output  
Input  
V
V
V
10~14V *1  
10~14V *1  
10~14V *1  
AST ? GND  
(solenoid relay test  
input)  
IG ON, after elapsed  
approx.1.5 seconds  
SRLH ? GND  
IG ON, after elapsed  
approx.1.5 seconds  
(rear LH prevention Output  
solenoid output)  
SFRR ? GND  
IGON, after elapsed  
approx.1.5 seconds  
(front RH  
Output  
decompression  
8
V
V
V
V
10~14V *1  
10~14V *1  
10~14V *1  
10~14V *1  
A
solenoid output)  
SMV2 ? GND  
(front master  
Output  
cylinder cut  
IG ON, after elapsed  
approx.1.5 seconds  
15  
16  
22  
solenoid output)  
SFRH ? GND  
(front RH  
IG ON, after elapsed  
approx.1.5 seconds  
Output  
prevention solenoid  
output)  
SMV1 ? GND  
IG ON, after elapsed  
approx.1.5 seconds  
(front master  
Output  
cylinder cut  
solenoid output)  
LBLO ? GND  
IG ON, when reservoir  
level is normal  
10~14V  
(brake fluid level  
Output  
warning switch  
B
1
V
IG ON, when reservoir  
level is low  
1V or less  
signal output)  
2V or less for  
approx.3  
VSCW ? GND  
4
5
6
(VSC warning lamp Output  
output)  
V
V
V
IG ON ? OFF  
IG ON ? OFF  
IG ON ? OFF  
seconds, after  
that 10~14V  
10~14V  
approx.3  
for  
WA ? GND  
(ABS warning lamp  
output)  
Output  
Output  
seconds, after  
that 2V or less  
2V or less for  
approx.3  
IND ? GND  
(slip indicator lamp  
output)  
seconds, after  
that 10~14V *1  
IG ON, when depressed  
brake pedal  
STP ? GND  
(stop lamp switch  
input)  
8~14V  
7
Input  
Output  
Input  
V
V
V
IG ON, when released  
brake pedal  
1.5V or less  
VYS ? GND  
(Yaw rate sensor  
power output)  
B
9
IG ON  
4.75~5.25V  
LBL- ? GND  
(brake fluid level  
warning switch  
input)  
IG ON, when reservoir  
level is normal  
4~8V  
11  
IG ON, when reservoir  
level is low  
1Vor less  
SS1+ ? GND  
(steering sensor SS1  
(+) input)  
Approx.2.5V  
*2  
14  
15  
16  
Input  
Input  
V
V
IG ON  
IG ON, shift lever R  
range  
R ? GND  
8~14V  
(neutral start switch  
(R) input)  
IG ON, shift lever other  
than R range  
1.5V or less  
SP1 ? GND  
Drive  
vehicle  
at Generation  
pulse occurs  
(meter vehicle speed Output Oscilloscope  
signal output)  
approx.30km/h  
YSS ? GND  
(yaw rate sensor  
sealed GND)  
18  
19  
Input  
Input  
continuity  
IG OFF  
IG ON  
Yes continuity  
4.5~5.3V  
YD ? GND  
(yaw rate sensor  
diagnosis input  
V
IG ON, when buzzer  
sound  
BZ ? GND  
1.5V or less  
10~14V  
20  
23  
24  
(buzzer output while Output  
operating VSC)  
V
V
V
IG ON, when buzzer not  
sound  
SS1- ? GND  
Approx.2.5V  
*2  
(steering sensor SS1  
(-) input)  
Input  
Input  
IG ON  
IG ON, shift lever P  
range  
B
P ? GND  
8~14V  
(neutral start switch  
(P) input)  
IG ON, shift lever other  
than P range  
1.5V or less  
IG ON, connected TC  
and Cg of DLC3  
connector  
Diagnosis  
Oscilloscope  
D/G ? GND  
codes output  
25  
Output  
(diagnosis output)  
IG ON, open TC and Cg  
of DLC3 connector  
V
10~14V  
GYAW ? GND  
(yaw rate sensor  
GND input)  
27  
28  
Input  
Input  
Continuity  
IG OFF  
Yes continuity  
YAW ? GND  
(yaw rate sensor  
input)  
IG ON, when vehicle is  
parked as not shaking  
V
2~3V  
VGS ? GND  
(G sensor power  
output)  
1
2
Output  
V
V
IG ON  
4.5~5.5V  
0.5~4.5V  
(normal area)  
2~3V (when  
parked on level  
ground)  
GL1 ? GND  
IG ON (when parked  
vehicle)  
Input  
(G sensor (1) input)  
IG ON, connected TC  
and Cg of DLC3 1V or less  
connector  
TC ? GND  
3
Input  
V
(diagnosis start)  
IG ON, open TC and Cg  
10~14V  
of DLC3 connector  
IG ON, connected TS  
TS ? GND  
(sensor check start  
input)  
1V or less  
and Cg of DLC3  
connector  
4
Input  
V
V
C
C
IG ON, open TS and Cg  
of DLC3 connector  
10~14V  
10~14V  
IG1 ? GND  
(IG1 current)  
NEO ? GND  
(engine revolution  
signal input)  
GND3 ? body  
earth  
6
7
Input  
Input  
IG ON  
Generation  
pulse occurs  
Oscilloscope While idling  
8
Input  
Input  
Input  
Continuity  
IG OFF  
Yes continuity  
(GND)  
0.5~4.5V  
(normal area)  
2~3V (when  
parked on level  
ground)  
GL2 ? GND  
IG ON (when vehicle is  
parked)  
9
V
(G sensor (2) input)  
GGND ? body  
earth  
10  
Continuity  
IG OFF  
Yes continuity  
(G sensor GND)  
RR+ ? GND  
(rear RH wheel  
speed sensor (+)  
input)  
Driving  
vehicle  
at Generation  
pulse occurs  
11  
Input  
Input  
Oscilloscope  
approx.20km/h  
RR- ? GND  
(rear RH wheel  
speed sensor (-)  
input)  
12  
13  
14  
Continuity  
IG OFF  
Yes continuity  
BAT ? GND  
(power for diagnosis Input  
memory)  
V
V
IG OFF  
10~14V  
ENG+ ? GND  
(engine ECU  
Input  
communication (+)  
Approx.2.5V  
*2  
IG ON  
input)  
TRC- ? GND  
C
(engine ECU  
Output  
communication (-)  
Approx.2.5V  
*3  
16  
V
IG ON  
output)  
GND4 ? body  
17  
18  
Input  
Input  
Continuity  
Continuity  
IG OFF  
IG OFF  
Yes continuity  
Yes continuity  
earth  
(GND)  
GSS ? GND  
(G sensor sealed  
GND)  
RL+ ? GND  
(rear LH wheel  
speed sensor(+)  
input)  
Driving  
vehicle  
at Generation  
pulse occurs  
19  
20  
Input  
Input  
Oscilloscope  
Continuity  
apprx.20km/h  
RL- ? GND  
(rear LH wheel  
speed sensor (-)  
input)  
IG OFF  
Yes continuity  
ENG- ? GND  
(engine ECU  
communication (-)  
input)  
Approx.2.5V  
*2  
22  
24  
Input  
V
V
IG ON  
C
TRC+ ? GND  
(engine ECU  
communication (+)  
output)  
Approx.2.5V  
*3  
Output  
Output  
IG ON  
IG ON  
R+ ? GND  
(power for relay  
drive)  
1
2
3
4
5
6
V
10~14V  
SMC1 ? GND  
IG ON, after elapsed  
approx.1.5 seconds  
(master cylinder cut Output  
solenoid output1)  
V
10~14V *1  
10~14V *1  
10~14V *1  
10~14V *1  
Yes continuity  
SMC2 ? GND  
IG ON, after elapsed  
approx.1.5 seconds  
(master cylinder cut Output  
solenoid output 2)  
V
SRC2 ? GND  
IG ON, after elapsed  
approx.1.5 seconds  
(reservoir cut  
solenoid output 2)  
SRC ? GND  
(reservoir cut  
solenoid output 1)  
GND2 ? body  
earth  
Output  
Output  
Input  
V
V
IG ON, after elapsed  
approx.1.5 seconds  
D
Continuity  
IG OFF  
(GND)  
SFLR ? GND  
(front LH  
IG ON, after elapsed  
approx.1.5 seconds  
7
Output  
Output  
V
10~14V *1  
decompression  
solenoid output)  
SRRH ? GND  
(rear prevention  
solenoid output)  
SRRR ? GND  
IG ON, after elapsed  
approx.1.5 seconds  
8
9
V
V
10~14V *1  
10~14V *1  
IG ON, after elapsed  
approx.1.5 seconds  
(rear decompression Output  
solenoid output)  
VCM ? GND  
(master cylinder  
pressure sensor  
power output)  
FR- ? GND  
(front RH wheel  
speed sensor (-)  
input)  
10  
13  
14  
15  
Output  
Input  
Input  
Input  
V
IG ON  
4.5~5.5V  
Continuity  
Oscilloscope  
Continuity  
IG OFF  
Driving  
Yes continuity  
FR+ ? GND  
(front RH wheel  
speed sensor (+)  
input)  
vehicle  
at Generation  
pulse occurs  
approx.20km/h  
FL- ? GND  
(front LH wheel  
speed sensor (-)  
input)  
IG OFF  
Yes continuity  
FL+ ? GND  
(front LH wheel  
speed sensor (+)  
input)  
Driving  
vehicle  
at Generation  
pulse occurs  
16  
19  
21  
Input  
Output  
Output  
Oscilloscope  
D
approx.20km/h  
SR ? GND  
(solenoid relay  
output)  
IG ON, after elapsed  
approx.1.5 seconds  
V
V
1.5V or less  
10~14V *1  
SFLH ? GND  
(front LH  
IG ON, after elapsed  
approx.1.5 seconds  
prevention solenoid  
output)  
PMC ? GND  
(master cylinder  
pressure sensor  
input)  
IG ON, brake pedal  
OFF  
22  
Input  
V
1V or less  
E2 ? GND  
23  
24  
Input  
Input  
Continuity  
Continuity  
IG OFF  
IG OFF  
Yes continuity  
Yes continuity  
(ACC pressure  
sensor GND)  
FSS ? GND  
(pressure sensor  
sealed GND)  
MT ? GND  
(motor monitor  
input)  
IG ON, after elapsed  
approx. 1.5 seconds  
28  
Input  
V
1.5V or less  
D
MR ? GND  
(motor relay output)  
GND1 ? GND  
(GND)  
IG ON, after elapsed  
approx.1.5 seconds  
29  
31  
Output  
Input  
V
10~14V *1  
Continuity  
IG ON  
Yes continuity  
*1: No inspection required when ABS, TRC, VSC warning lamp ON (B5 terminal output 10~14V due to  
warning output. Other terminal output 0V caused by solenoid relay OFF due to fail safe function).  
*2: When normal, output 1ms cycle and 0.5ms serial signal pulse occurs.  
*3: When normal, output 2ms cycle and 0.5ms serial signal pulse occurs.  

Related Topics

ABS / TRC / VSC & BA
ABS Parts Location ABS Summary Electrical Wiring Diagram ABS Diagnosis Item and Inspection Area ABS Wiring Diagram (Continuation) ABS, TRC, VSC & BA Parts Location ABS, TRC, VSC & BA Summary Electrical Wiring Diagram ABS DTC List VSC DTC List ABS Test Mode Code List (ABS Warning Indication) VSC Test Mode Code List (VSC Warning Indication)

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