Geely CK (2008). Manual part — 62
Geely CK (2008). Manual part - 62
245
4. Trouble Identification
(1) Trouble Record (DTC storage)
When the circular diagnostic tests are involved in identification of a trouble, the SRS ECU (HAE2.5) will
store relevant codes, first/last diagnosis time and frequency of the trouble in EEPROM.
SRS ECU (HAE2.5) can store up to 6 troubles, low voltage trouble as well as two crash records (front
and side).
The transmit of the DTCs are carried out in the way that the SRS ECU£¨HAE2.5£©via serial data
interface of the maintenance procedures assign the codes to the diagnostic detector.
No.
Trouble Description
Troubleshooting
1
Ignition circuit 1 (driver airbag), high resistance or open
circuit
Yes
2
Ignition circuit 1 (driver airbag), low resistance or short
circuit
Yes
3
Ignition circuit 1 (driver airbag), groun d
Yes
4
Ignition circuit 1 (driver airbag), connected to power
source
Yes
5
Ignition circuit 2 (passenger airbag), high resistance or
open circuit
Yes
6
Ignition circuit 2 (passenger airbag), low resistance or
short circuit
Yes
7
Ignition circuit 2 (passenger airbag), groun d
Yes
8
Ignition circuit 2 (passenger airbag), connected to power
source
Yes
9
Ignition circuit 3 (driver seat belt pretensioner), high
resistance or open circuit
Yes
10
Ignition circuit 3 (driver seat belt pretensioner), low
resistance or short circuit
Yes
11
Ignition circuit 3 (driver seat belt pretensioner), groun d
Yes
12
Ignition circuit 3 (driver seat belt pretensioner),
connected to power source
Yes
13
Ignition circuit 4 (passenger seat belt pretensioner), high
resistance or open circuit
Yes
14
Ignition circuit 4 (passenger seat belt pretensioner), low
resistance or short circuit
Yes
15
Ignition circuit 4 (passenger seat belt pretensioner),
ground
Yes
16
Ignition circuit 4 (passenger seat belt pretensioner),
connected to power source
Yes
17
High voltage of power source
Yes
18
Low voltage of power source
Yes
19
Warning light trouble-connected to power source or
short circuit of the light bulb
Yes
20
Warning light trouble-ground or filament open circuit
Yes
21
Missing/mistake of the algorithm parameters
No (replace SRS ECU (HAE2.5))
22
Previous crash recorded
N
o (replace SRS ECU (HAE2.5))
DTCs as recognized by SRS ECU (HAE2.5)
246
The transmit of the DTCs are carried out in the way that the SRS ECU (HAE2.5) via serial data interface
of the maintenance procedures assign the codes to the diagnostic detector.
23
Communication trouble
Y es
24
Internal trouble (see the follow ing table)
N o (replace SRS ECU (H A E2.5))
25
P A D S ( passenger airbag deactivation
sw itch) , connected to pow er source or open
circuit
Y es
26
P A D S ( passenger airbag deactivation
sw itch) , ground or short circuit
Y es
27
P A D S (passenger airbag sw itch), trouble
Y es
28
Crash output pin, ground
Y es
29
Crash output pin, short circuited to pow er
source
Y es
30
P A D I (passenger airbag deactivation sw itch
indicator light) error, connected to pow er source
or light bulb short circuit
Y es
31
P A D I (passenger airbag deactivation sw itch
indicator light) error, ground or open circuit
Y es
32
Seat belt pretensioner separate ignition
Y es, up to 5 times
33
Seat belt pretensioner separate ignition for 6
times
N o (replace SRS ECU (H A E2.5))
No.
Trouble Description
DTC
1
Ignition circuit 1 (driver airbag), high resistance or open circuit
B1 346
2
Ignition circuit 1 (driver airbag), low resistance or short circuit
B1 347
3
Ignition circuit 1 (driver airbag), ground
B1 348
4
Ignition circuit 1 (driver airbag), connected to power source
B1 349
5
Ignition circuit 2 (passenger airbag), high resistance or open circuit
B1 352
6
Ignition circuit 2 (passenger airbag), low resistance or short circuit
B1 353
7
Ignition circuit 2 (passenger airbag), ground
B1 354
8
Ignition circuit 2 (passenger airbag), connected to power source
B1 355
9
Ignition circuit 3 (driver seat belt pretensioner), high resistance or open circuit
B1 361
10
Ignition circuit 3 (driver seat belt pretensioner), low resistance or short circuit
B1 362
11
Ignition circuit 3 (driver seat belt pretensioner), ground
B1 363
12
Ignition circuit 3 (driver seat belt pretensioner), connect to power source
B1 364
13
Ignition circuit 4 (passenger seat belt pretensioner), high resistance or open
circuit
B1 367
Diagnostic DTCs
247
(2) Internal troubles
The micro controller can check the following items not
only in the initiation check but also in the circular diagnos-
tic check.
1
Trigger transistor of ignition circuit: high-end transistor
can be checked not only in the initiation check but
also in the circular diagnostic check. However, since
the low-end transistor is open when connected in short
circuit to power source, it can only be checked in the
initiation check to avoid explosion.
2
The ignition voltage is provided by supercharge
converter.
3
The acceleration sensor performs selfcheck in the
initiation check.
4
Range of allowed deviation of acceleration sensor in the circular diagnostic check.
5
Microcontroller includes AD converter, ROM, RAM, etc.
6
Status of safety sensor.
NOTICE
The connectors of the squib circuit contain a
shorting bar. When the connector is not
connected, the unexpected deployment is
caused by the short in the circuit arising from
the contact of the positive (+) and negative (-)
terminals or the static electricity. If there is
poor connection for connectors, the symptom
may not be removed even when the shorting
bar is connected.
14
Ignition circuit 4 (passenger seat belt pretensioner), low resistance
or short circuit
B1 368
15
Ignition circuit 4 (passenger seat belt pretensioner), ground
B1 369
16
Ignition circuit 4 (passenger seat belt pretensioner), connect to
power source
B1 370
17
High voltage of power source
B1 111
18
Low voltage of power source
B1 112
19
Warning light trouble-connected to power source or light bulb short
circuit
B2 500
20
Warning light trouble-ground or filament open circuit
B2 500
21
Missing/mistake of the algorithm parameters
B1 661
22
Previous crash recorded
B1 650
23
Communication trouble
B1 407
23
Internal trouble (see the following table)
B1 620
24
PADS ( passenger airbag deactivation switch ) , connected to
power source or open circuit
B1 527
25
PADS (passenger airbag deactivation switch), ground or short
circuit
B1 528
26
PADS (passenger airbag deactivation switch), trouble
B1 529
27
Crash output pin, ground
B1 676
28
Crash output pin, short circuited to power source
B1 677
29
PADI (passenger airbag deactivation switch indicator light) error,
connected to power source or light bulb short circuit
B2 505
30
PADI (passenger airbag deactivation switch indicator light) error,
ground or open circuit
B2 505
31
Seat belt pretensioner separate ignition
B1 657
32
Seat belt pretensioner separate ignition for 6 times
B1 658
248
An external watchdog can check the operation situation of the microcontroller. The failure of the microcontroller
can trigger the watchdog, which in turn can reset the microcontroller and turn on the warning light.
No.
List of Troubles
Trouble Description
1
Microcontroller
AD converter or EEPROM trouble (in
case of RAM and ROM failure, the
microcontroller will reset and the warning
light will light up.)
Activate trouble
Check the circuit trouble
Activate trouble
Check the circuit trouble
Activate trouble
Check the circuit trouble
Activate trouble
Check the circuit trouble
Activate trouble
Check the circuit trouble
Activate trouble
Check the circuit trouble
6
Ignition voltage
Low
7
Watchdog/reset
Trouble
8
Maximum times of explosion of the seat belt
pretensioner
6
9
Energy storage time (self-support time)
Short
Range of deviation
Sensor not in steady mode
Sensor selfcheck trouble
11
Continuous abortion of ignition circuit check
Nonexecution of circular diagnostic test
(Repeated algorithm calculation)
Close for 2 or more than 2 seconds
Safety sensor is open circuit when
calculating the trouble with algorithm
13
Ignition current
All the ignition currents are normal
when the current SRS is deployed
14
No confirmation of side SRS ignition
Even if the SRS ECU (HAE2.5) have
received for 5 times the ignition information
during the HSIS ignition cycle, the side SRS
airbag ignition can not be verified by SRS
ECU (HAE2.5).
Seat belt pretensioner ignition circuit (if realized)
5
Passenger seat belt pretensioner ignition circuit
(if realized)
2
Passenger airbag ignition circuit
3
Passenger airbag ignition circuit (if realized)
[Table] Internal troubles predicted by SRS ECU (HAE2.5)
10
Accelerometer
12
Safety sensor
6
Driver airbag ignition circuit (if realized)
7
Passenger airbag ignition circuit (if realized)
4
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