Chery Tiggo 5 (T21). Manual — part 50
06–
42
06
a. Turn ignition switch to LOCK.
b. Check fuse EF39 and main relay.
c. Disconnect engine compartment fuse and relay box
connector E-076.
d. Check wire harness between downstream oxygen sensor
connector terminals and engine compartment fuse and
relay box connector terminals.
Check for Open
Check for Short
4
Check downstream oxygen sensor power supply circuit
E-076
E-043
1
2
3
4
A1
A2
A3
A4
A5
A6
A7
A8 A9 A10
-
+
RT21065012
Multimeter
Connection
Condition
Specified
Condition
E-043 (4) - E-076
(A7)
Always
Continuity
Multimeter
Connection
Condition
Specified
Condition
E-043 (4) or
E-076 (A7) - Body
ground
Always
No continuity
E-043 (4) or
E-076 (A7) -
Battery positive
Always
No continuity
Replace fuse, main relay, wire harness or
connector (downstream oxygen sensor -
engine compartment fuse and relay box)
NG
OK
06–
43
06
a. Disconnect ECM connector E-033.
b. Check wire harness between downstream oxygen sensor
connector terminals and ECM connector terminals.
Check for Open
Check for Short
a. Measure resistance of downstream oxygen sensor.
5
Check downstream oxygen sensor heater control circuit
E-033
E-043
1
2
3
4
49 50 51
63
64
15
16
31
32
47
48
33 34 35
17 18 19
1 2 3
52 53 54 55 56 57 58 59 60 61 62
36 37 38 39 40 41 42 43 44 45 46
20 21 22 23 24 25 26 27 28 29 30
4 5 6 7 8 9 10 11 12 13 14
-
+
RT21065013
Multimeter
Connection
Condition
Specified
Condition
E-043 (3) - E-033
(48)
Always
Continuity
Multimeter
Connection
Condition
Specified
Condition
E-043 (3) or
E-033 (48) - Body
ground
Always
No continuity
E-043 (3) or
E-033 (48) -
Battery positive
Always
No continuity
Repair or replace wire harness or
connector (downstream oxygen sensor -
ECM)
6
Check downstream oxygen sensor heater
NG
OK
RT21090140
-
+
A
B
C
D
Multimeter
Connection
Condition
Specified
Condition
Terminal C -
Terminal D
20°C
7 - 11 Ω
Terminal A -
Terminal B
Always
No continuity
Terminal A -
Terminal C
Terminal A -
Terminal D
Terminal B -
Terminal C
Terminal B -
Terminal D
Replace downstream oxygen sensor
NG
06–
44
06
a. Use X-431 3G diagnostic tester to read the ECM DTC.
b. Refer to "DTC Confirmation Procedure".
c. Check if DTC P0036-00, P0037-00, P0038-00 or P0054-00 still exists.
7
Check for DTCs
Replace ECM
System is operating normally.
Reassemble vehicle and perform a road test to confirm that malfunction reported by customer has
been repaired.
OK
NG
OK
06–
45
06
DTC
P0101-00 Mass or Volume Air Flow Circ. Range/Performance
DTC
P0102-00 Mass or Volume Air Flow Circ. Low Input
DTC
P0103-00 Mass or Volume Air Flow Circ. High Input
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст