Chery Tiggo 5 (T21). Manual — part 79
06–
158
06
a. Disconnect fuse and relay box connectors E-069 and
E-076.
b. Disconnect ECM connector E-033.
c. Check wire harness between connector terminals.
Check for Open
Check for Short
Check for Open
Check for Short
a. Use X-431 3G diagnostic tester to read the ECM DTC.
b. Refer to "DTC Confirmation Procedure".
c. Check if DTC P0688-00 still exists.
4
Check wire harness and connector (ECM - engine compartment fuse and relay box)
E-033
E-069
F12
F24
F11
F23
F10
F22
F9
F21
F8
F20
F7
F19
F6
F18
F5
F17
F4
F16
F3
F15
F2
F14
F1
F13
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
-
+
RT21065058
Multimeter Connection
Specified
Condition
E-033 (5) - E-069 (F14)
Continuity
Multimeter Connection
Specified
Condition
E-033 (5) or E-069 (F14) -
Body ground
No continuity
E-033 (5) or E-069 (F14) -
Battery positive
No continuity
E-076
E-033
A1
A2
A3
A4
A5
A6
A7
A8 A9 A10
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
-
+
RT21065059
Multimeter Connection
Specified
Condition
E-033 (15) - E-076 (A6)
Continuity
E-033 (16) - E-076 (A6)
Continuity
Multimeter Connection
Specified
Condition
E-033 (15, 16) or E-076 (A6) -
Body ground
No continuity
E-033 (15, 16) or E-076 (A6) -
Battery positive
No continuity
Repair or replace wire harness or
connector
NG
5
Check for DTCs
OK
Replace ECM
NG
06–
159
06
System is operating normally.
Reassemble vehicle and perform a road test to confirm that malfunction reported by customer has
been repaired.
OK
06–
160
06
DTC Confirmation Procedure
Confirm that battery voltage is over 12 V before performing the following procedures.
Turn ignition switch to LOCK.
Connect X-431 3G diagnostic tester (the latest software) to Data Link Connector (DLC).
Turn ignition switch to ON.
Use X-431 3G diagnostic tester to record and clear the DTCs stored in the ECM.
Select Read Code.
If the DTC is detected, the malfunction indicated by the DTC is current. Go to the diagnosis procedure - Step 1.
If DTC is not detected, the malfunction indicated by the DTC is intermittent (
).
Diagnosis Procedure
a. Turn ignition switch to LOCK.
b. Check ECM grounds E-026 and E-028 (
a. Disconnect ECM connector E-033 and E-035.
b. Check if connector is normal.
DTC
P0604-00
Internal Contr. Module Random Access Memory (RAM)
Error
DTC
P0605-00 Internal Contr. Module ROM Test Error
DTC Code
DTC Definition
DTC Detection
Condition
Possible Cause
P0604-00
Internal Contr. Module
Random Access
Memory (RAM) Error
Ignition switch ON
Wire harness or connector
ECM
P0605-00
Internal Contr. Module
ROM Test Error
CAUTION
When performing circuit diagnosis and test, always refer to the circuit diagram for specific circuit and
component information.
1
Check ECM ground point
Repair or replace ground wire harness or
ground point
NG
2
Check ECM connector
OK
Repair or replace connector
NG
06–
161
06
Replace ECM
OK
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