ON-BOARD DIAGNOSTIC [ACTIVE BONNET]

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Outline

―  A malfunction detection function, which detects overall malfunctions in the active bonnet-related parts.

―  A memory function, which stores detected DTCs.

―  A display function, which indicates malfunction locations and status via DTC output.

―  A PID/data monitoring function, which reads out specific input/output signals and verifies the input/output condition.

Function

Self-diagnostic function

Memory function

•  Stores malfunctions detected in the active bonnet-related parts using the malfunction detection function, and the stored malfunction contents are not cleared even if the ignition is switched off or the negative battery cable is disconnected.

Display function

•  When the malfunction detection function detects a malfunction, the active bonnet warning light illuminates to advise the driver. Using the external tester communication function, DTCs can be output to the DLC-2 via the CAN.

DTC				System malfunction location	Fail-safe function	Drive cycle	Self test type*1	Memory function
M-MDS display	Air bag system warning light
	Flashing pattern		Priority ranking
B00D3:01	―	―	―	Active bonnet warning light malfunction	—	—	C, D	×
B00D3:29				Communication error with instrument cluster (active bonnet warning light status mis-matched)	—	—	C, D	×
B1001:11	19		15	Active bonnet actuator (RH) circuit short to body ground	—	—	C, D	×
B1001:12				Active bonnet actuator (RH) circuit short to power supply	—	—	C, D	×
B1001:13				Active bonnet actuator (RH) circuit open circuit or resistance high	—	—	C, D	×
B1001:19				Short circuit to active bonnet actuator (RH) and other air bag module circuits	—	—	C, D	×
B1001:1A				Active bonnet actuator (RH) circuit resistance low	—	—	C, D	×
B1001:55	54		6	Configuration setting error (Active bonnet actuator (RH) structural malfunction)	—	—	C, D	×
B1003:11	21		14	Active bonnet actuator (LH) circuit short to body ground	—	—	C, D	×
B1003:12				Active bonnet actuator (LH) circuit short to power supply	—	—	C, D	×
B1003:13				Active bonnet actuator (LH) circuit open circuit or resistance high	—	—	C, D	×
B1003:19				Short circuit to active bonnet actuator (LH) and other air bag circuits	—	—	C, D	×
B1003:1A				Active bonnet actuator (LH) circuit resistance low	—	—	C, D	×
B1003:55	54		6	Configuration setting error (active bonnet actuator (LH) structural malfunction)	—	—	C, D	×
B1011:95	58		7	SAS control module connectors are poorly connected	—	—	C, D	×
B1422:11	41		8	Active bonnet sensor (right, right or right, left or left, center) circuit short to body ground	—	—	C, D	×
B1422:12				Active bonnet sensor (right, right or right, left or left, center) circuit short to power supply	—	—	C, D	×
B1422:29				Active bonnet sensor (right, right) internal malfunction	—	—	C, D	×
B1422:2B				Short circuit to active bonnet sensor (right, right or right, left or left, center) and other active bonnet sensor or other air bag sensor circuits	—	—	C, D	×
B1422:4A				Active bonnet sensor (right, right) ID mismatch	—	—	C, D	×
B1422:87				Signal reception error from active bonnet sensor (right, right)	—	—	C, D	×
B1422:96				Active bonnet sensor (right, right) internal malfunction	—	—	C, D	×
B1422:55	54		6	Configuration setting error (active bonnet sensor (right, right) structural malfunction)	—	—	C, D	×
B1423:11	42		9	Active bonnet sensor (left, right or left, left or right, center) circuit short to body ground	—	—	C, D	×
B1423:12				Active bonnet sensor (left, right or left, left or right, center) circuit short to power supply	—	—	C, D	×
B1423:29				Active bonnet sensor (right, center) internal malfunction	—	—	C, D	×
B1423:2B				Short circuit to active bonnet sensor (left, right or left, left or right, center) and other active bonnet sensor or other air bag sensor circuits	—	—	C, D	×
B1423:4A				Active bonnet sensor (right, center) ID mismatch	—	—	C, D	×
B1423:87				Signal reception error from active bonnet sensor (right, center)	—	—	C, D	×
B1423:96				Active bonnet sensor (right, center) internal malfunction	—	—	C, D	×
B1423:55	54		6	Configuration setting error (active bonnet sensor (right, center) structural malfunction)	—	—	C, D	×
B1424:29	43		10	Active bonnet sensor (right, left) internal malfunction	—	—	C, D	×
B1424:4A				Active bonnet sensor (right, left) ID mismatch	—	—	C, D	×
B1424:87				Signal reception error from active bonnet sensor (right, left)	—	—	C, D	×
B1424:96				Active bonnet sensor (right, left) internal malfunction	—	—	C, D	×
B1424:55	54		6	Configuration setting error (active bonnet sensor (right, left) structural malfunction)	—	—	C, D	×
B1425:29	44		11	Active bonnet sensor (left, right) internal malfunction	—	—	C, D	×
B1425:4A				Active bonnet sensor (left, right) ID mismatch	—	—	C, D	×
B1425:87				Signal reception error from active bonnet sensor (left, right)	—	—	C, D	×
B1425:96				Active bonnet sensor (left, right) internal malfunction	—	—	C, D	×
B1425:55	54		6	Configuration setting error (active bonnet sensor (left, right) structural malfunction)	—	—	C, D	×
B1426:29	45		12	Active bonnet sensor (left, center) internal malfunction	—	—	C, D	×
B1426:4A				Active bonnet sensor (left, center) ID mismatch	—	—	C, D	×
B1426:87				Signal reception error from active bonnet sensor (left, center)	—	—	C, D	×
B1426:96				Active bonnet sensor (left, center) internal malfunction	—	—	C, D	×
B1426:55	54		6	Configuration setting error (active bonnet sensor (left, center) structural malfunction)	—	—	C, D	×
B1427:29	46		13	Active bonnet sensor (left, left) internal malfunction	—	—	C, D	×
B1427:4A				Active bonnet sensor (left, left) ID mismatch	—	—	C, D	×
B1427:87				Signal reception error from active bonnet sensor (left, left)	—	—	C, D	×
B1427:96				Active bonnet sensor (left, left) internal malfunction	—	—	C, D	×
B1427:55	54		6	Configuration setting error (active bonnet sensor (left, left) structural malfunction)	—	—	C, D	×
B1429:00	13	―	3	SAS control module operation (deployment)	—	—	C, D	×
U0001:88	―	Continuously illuminated	1	Unit communication error (HS-CAN)	—	—	C, D	×
U0100:00	14		5	PCM communication error or invalid value reception	—	—	C, D	×
U0101:00				TCM communication error or invalid value reception	—	—	C, D	×
U0155:00				Communication error with instrument cluster	—	—	C, D	×
U2100:00	―	Flashing	4	Configuration not set	—	—	C, D	×
U2107:00	―	―	―	SAS control module collision judgement signal output (ESS signal output)	―	―	C, D	×
U3000:49	12		2	SAS control module internal malfunction	—	—	C, D	×
	―	Continuously illuminated	1
U3003:16	―	Continuously illuminated	1	SAS control module power supply voltage decreases (8 V or less)	—	—	C, D	×
U3003:17				SAS control module power supply voltage increases (16 V or more)	—	—	C, D	×

DTC 7-digit code definition

•  When related systems or components have failed, the CM stores the DTC of the malfunctioning part in the CM memory, and allows for the retrieval of the stored data using the scanning tool when necessary. The DTCs are indicated using seven digits. Each digit indicates the following.

ac5uun00001107

Status byte for DTC

•  The two digits (after hyphen) after the 7-digit DTC.

ac5wzn00001331

•  A code which indicates the pending code, current/past malfunction status, or warning illumination status.

•  Can be read by performing a CMDTC self-test using the Mazda Modular Diagnostic System (M-MDS).

•  For details on the status byte, refer to the explanation on the Mazda Modular Diagnostic System (M-MDS) when reading the DTC.

Snapshot data

Note

•  The SAS control module stores the following two types of information when a DTC is detected and displays snap shot data in the Mazda Modular Diagnostic System (M-MDS).

―  Vehicle information detected by SAS control module

―  Vehicle information detected by instrument cluster and received by SAS control module via CAN signal

•  The data for all DTCs currently detected is stored.

Snapshot data item	Unit		Definition	Data read/use method	Corresponding PID data monitor item
AAT	°C		Ambient temperature	—	—
APP_STATUS	Accelerator Pedal Off/ Under20%/ Over20%/ FAIL		Accelerator pedal position status	—	—
CFG_STATUS	Config Complete/ Not Configured/ Config Error		Instrument cluster configuration status	—	—
FAULT_CNT	—		Number of malfunction detections	—	—
FIRST_DET_IG	ss*1		Time when initial malfunction occurs (IG-ON counter) •  Elapsed time from when ignition is switched ON (engine off or on) until SAS control module detects first malfunction*3	—	—
IC_VPWR	V		Instrument cluster power supply voltage	•  The SAS control module constantly receives the power supply voltage value of the instrument cluster sent via CAN signal from the instrument cluster. •  If a DTC is detected, the SAS control module records the power supply voltage of the instrument cluster when the DTC was detected, and it is displayed in the Mazda Modular Diagnostic System (M-MDS).	VPWR*2
IG-ON_TIMER	ss*1		Elapsed time since ignition was switched ON (engine off or on) Note •  The instrument cluster records the elapsed time since the ignition was switched ON (engine off or on).	•  The SAS control module constantly receives the elapsed time since the ignition was switched ON (engine off or on) sent via CAN signal from the instrument cluster. •  If a DTC is detected, the SAS control module records the elapsed time since the ignition was switched ON (engine off or on) when the DTC was detected, and it is displayed in the Mazda Modular Diagnostic System (M-MDS).	—
LAST_CLR	ss*1		Repair time for last malfunction (B+ counter) •  Elapsed time from when battery is connected until SAS control module detects that last malfunction is repaired*3	—	—
LAST_CLR_IG	ss*1		Repair time for last malfunction (IG-ON counter) •  Elapsed time from when ignition is switched ON (engine off or on) until SAS control module detects that last malfunction is repaired*3	—	—
LAST_DET	ss*1		Time when last malfunction occurs (B+ counter) •  Elapsed time from when battery is connected until SAS control module detects last malfunction*3	—	—
LAST_DET_IG	ss*1		Time when last malfunction occurs (IG-ON counter) •  Elapsed time from when ignition is switched ON (engine off or on) until SAS control module detects last malfunction*3	—	—
PWR_MODE_KEY	Key Out/ Key Recently Out (Position 0)/ Accessory (Position 1)/ Post Ignition (Position 2)/ Ignition On (Position 2)/ Running (Position 2)/ Running - Starting		•  Key Out: Ignition switched off •  Key Recently Out (Position 0): Elapsed time within 3 s since ignition was switched off •  Accessory (Position 1): Ignition is switched to ACC •  Post Ignition (Position 2): Elapsed time within 3 s since ignition was switched ON (engine off or on) •  Ignition On (Position 2): Ignition switched ON (engine off) •  Running (Position 2): Ignition switched ON (engine on) •  Running - Starting: Cranking condition	•  The SAS control module constantly receives the ignition switch status sent via CAN signal from the instrument cluster. •  If a DTC is detected, the SAS control module records the ignition switch status when the DTC was detected, and it is displayed in the Mazda Modular Diagnostic System (M-MDS).	—
RPM_STATUS	Engine Stop/ Under1500rpm/ Over1500rpm/ FAIL		Engine speed status	•  The SAS control module constantly receives the engine speed sent via CAN signal from the instrument cluster. •  If a DTC is detected, the SAS control module records the engine speed when the DTC was detected, and it is displayed in the Mazda Modular Diagnostic System (M-MDS).	TACHOMTR*2
SHIFT_STATUS	P/N/ D/ R/ FAIL		Selector lever position status	•  The SAS control module constantly receives the selector lever position sent via CAN signal from the instrument cluster. •  If a DTC is detected, the SAS control module records the selector lever position when the DTC was detected, and it is displayed in the Mazda Modular Diagnostic System (M-MDS).	—
TOTAL_DIST	km		Accumulated total traveled distance from completion of vehicle until SAS control module detects DTC (Odometer value in instrument cluster)	The total traveled distance from which the SAS control module detects DTCs to the present can be calculated by performing the following procedure. 1.  Verify the odometer value in the instrument cluster. 2.  Verify the snapshot data item TOTAL_DIST. 3.  Subtract 2 from 1.	—
TOTAL_TIME	ss*1		Accumulated total elapsed time since vehicle completion until SAS control module detects a DTC*3 Note •  When the ROOM fuse is removed, and the ignition is switched off, the time is not included in the elapsed time.	The elapsed time from which the SAS control module detects DTCs to the present can be calculated by performing the following procedure. 1.  Verify the instrument cluster PID item TOTAL_TIME. 2.  Verify the snapshot data item TOTAL_TIME. 3.  Subtract 2 from 1.	TOTAL_TIME*2
VPWR	V		SAS control module power supply	—	VPWR_IGA
VSPD_STATUS	Stop/ 0-10km/h/ Over10km/h/ FAIL		Vehicle speed status	•  The SAS control module constantly receives the vehicle speed sent via CAN signal from the instrument cluster. •  If a DTC is detected, the SAS control module records the vehicle speed when the DTC was detected, and it is displayed in the Mazda Modular Diagnostic System (M-MDS).	SPEEDOMTR*2

am3uun00003525

SAS control module DTC detection period	Snapshot data
	FAULT_CNT (Number of malfunction detections)	TOTAL_TIME	FIRST_DET_IG	LAST_DET	LAST_DET_IG	LAST_CLR	LAST_CLR_IG
	Number of malfunction detections	Time when first malfunction occurs (B+ counter)	Time when initial malfunction occurs (IG-ON counter)	Time when last malfunction occurs (B+ counter)	Time when last malfunction occurs (IG-ON counter)	Repair time for last malfunction (B+ counter)	Repair time for last malfunction (IG-ON counter)
(1)	1	A	G	A	G	-	-
(2)	1	A	G	A	G	B	H
(3)	2	A	G	C	I	B	H
(4)	2	A	G	C	I	D	J
(5)	3	A	G	E	K	D	J
(6)	3	A	G	E	K	F	L

PID/Data monitoring function

•  By using the PID/data monitoring function, the monitored item of the input/output signal, as set on the SAS control module, can be freely selected and read out in real-time.

•  The Mazda Modular Diagnostic System (M-MDS) is used to read out PID/data monitor information.

PID	Unit/Condition	Data contents		SAS control module terminal
PCD_A (Poorly connected detector bar terminal voltage nominal (SAS control module connector A))	V	•  Normal connected: 0.27 V or less •  Poor connected: 3.17 V or more		1a, 1b
PCD_B (Poorly connected detector bar terminal voltage nominal (SAS control module connector B))	V	•  Normal connected: 0.27 V or less •  Poor connected: 3.17 V or more		2a, 2b
PCD_C (Poorly connected detector bar terminal voltage nominal (SAS control module connector C))	V	•  Normal connected: 0.27 V or less •  Poor connected: 3.17 V or more		3a, 3b
RES_ACTU1 (Active bonnet actuator (RH) resistance nominal)	ohm	Continuous: 0.88–10.53 ohms		1U, 1W
RES_ACTU2 (Active bonnet actuator (LH) resistance nominal)	ohm	Continuous: 0.88–10.53 ohms		1Z, 1AA
VPWR_IGA (SAS control module power voltage)	V	Ignition is switched ON: IG1 voltage		2AD