Chery Tiggo 5 (T21). Service manual — part 365
32–
51
32
DTC
B1232-12
PDM (Passenger Detection Mat) Switch Circuit Short to
Battery
DTC
B1232-1C
PDM (Passenger Detection Mat) Switch Circuit Voltage
Out of Range
32–
52
32
ET21320090
8
R
R
1
4
I-036
B-055
*2
B-072
16 15 14 13 12 11 10
8
7
6
5
4
3
2
1
9
W
I-036
*2: SRS control module connector is B-072
*1: SRS control module connector is I-046
B
B-072
*1
32
31
30
29
28
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
27
26
25
24
23
22
21
20
19
18
17
Gr
I-046
SRS
CONTROL
MODULE
I-046
IGNITION SWITCH
ON OR START
10A
RF08
INSTRUMENT
PANEL FUSE
AND RELAY BOX
I-007
B
I-045
16
1
2
3
4
5
6
7
8
9 10 11 12
13
85
85
87
87 30
87 30
30
86
86
85
86
14 15 16 17 18 19 20 21 22 23 24
25
27
26
B
I-007
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
W
I-006
B
I-045
11
BL
BL
B
1
2
25
16
SEAT
BELT
REMINDER
I-006
B-049
B-003
I-006
B-003
1
2
W
B-049
32–
53
32
Self-diagnosis Detection Logic
HINT:
When performing electrical diagnosis and test, always refer to the relevant circuit diagram for the special
circuit and component information.
Diagnosis Procedure
a. Turn ignition switch to LOCK, disconnect the negative battery cable and wait for at least 90 seconds.
b. Disconnect front passenger seat belt reminder switch connector, and connect the new front passenger
seat belt reminder switch connector to connector B-049.
c. Reconnect the negative battery cable and wait for a few seconds.
d. Turn ignition switch ON and wait for at least 90 seconds.
e. Use X-431 3G diagnostic tester to clear the DTCs.
f. Turn ignition switch to LOCK.
g. Turn ignition switch ON and wait for at least 90 seconds.
h. Use X-431 3G diagnostic tester to check if the DTCs are still output.
Use circuit diagram as a guide to perform the following procedures:
a. Turn ignition switch to LOCK, disconnect the negative battery cable and wait for at least 90 seconds.
b. Disconnect the front passenger seat belt reminder switch connector B-049 and SRS control module
assembly connector I-046/B-072.
c. Disconnect the body wire harness connector B-003 and instrument panel wire harness connector I-006
(*1).
d. Check if wire harnesses are worn, pierced, pinched or partially broken.
e. Check for broken, bent, protruded or corroded terminals.
f. Check if related connector terminal contact pins are in good condition.
DTC Code
DTC Definition
DTC Detection
Condition
Warning Light
Condition
Possible Cause
B1232-12
PDM (Passenger
Detection Mat) Switch
Circuit Short to Battery
Ignition switch ON
ON
Front passenger
seat belt reminder
switch
Wire harness and
connector
SRS control
module assembly
B1232-1C
PDM (Passenger
Detection Mat) Switch
Circuit Voltage Out of
Range
1
Check front passenger seat belt reminder switch
Replace front passenger seat belt
reminder switch
NO
2
Check wire harness and connector
YES
Repair or replace instrument panel/body
wire harness and connector
NG
32–
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32
a. Turn ignition switch to LOCK, disconnect the negative
battery cable and wait for at least 90 seconds.
b. Disconnect the front passenger seat belt reminder switch
connector B-049 and SRS control module assembly
connector I-046/B-072.
c. Connect the negative battery cable and wait for a few
seconds.
d. Turn ignition switch ON.
e. Using a digital multimeter, measure the voltage between
front passenger seat belt reminder switch connector B-049
and body ground to check for a short circuit to power
supply according to the table below.
Standard Voltage
f. Turn ignition switch to LOCK, disconnect the negative
battery cable and wait for at least 90 seconds.
g. Using a digital multimeter, check for continuity between
front passenger seat belt reminder switch connector B-049
and body ground to check for a short circuit to ground
according to the table below.
Standard Condition
3
Check front passenger seat belt reminder switch control circuit
OK
RT21320350
-
+
V
1
2
B-049
Multimeter
Connection
Condition
Specified
Condition
B-049 (1) - Body
ground
Ignition switch ON
Below 1 V
-
+
RT21320360
1
2
B-049
Multimeter
Connection
Condition
Specified
Condition
B-049 (1) - Body
ground
Always
No continuity
Replace SRS control module assembly
OK
NG
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