CHECK CHART FOR DIAGNOSIS CODES

caution

During diagnosis, a diagnosis code associated with other system may be set when the ignition switch is turned on with connector(s) disconnected. On completion, confirm all systems for diagnosis code(s). If diagnosis code(s) are set, erase them all.

Code No.	Diagnostic item		Reference page
B1400^*1	Driver’s air bag module (squib) system (short-circuited between terminals of the squib circuit)
B1401^*1	Driver’s air bag module (squib) system (open-circuited in the squib circuit)
B1402^*1	Driver’s air bag module (squib) system (short-circuited to the earth)
B1403^*1	Driver’s air bag module (squib) system (short-circuited to the power supply)
B1404^*3	Driver’s air bag module (squib ignition drive circuit) system detected short circuit
B1405^*3	Driver’s air bag module (squib ignition drive circuit) system detected open circuit
B1410^*1	Passenger’s (front) air bag module (squib) system (short-circuited between terminals of the squib circuit)
B1411^*1	Passenger’s (front) air bag module (squib) system (open-circuited in the squib circuit)
B1412^*1	Passenger’s (front) air bag module (squib) system (short-circuited to the earth)
B1413^*1	Passenger’s (front) air bag module (squib) system (short-circuited to the power supply)
B1414^*3	Passenger’s (front) air bag module (squib ignition drive circuit) system detected short circuit
B1415^*3	Passenger’s (front) air bag module (squib ignition drive circuit) system detected open circuit
B1420^*1	Side-airbag module (RH) (squib) system (short-circuit between terminals of the squib circuit)
B1421^*1	Side-airbag module (RH) (squib) system (open-circuited in the squib circuit)
B1422^*1	Side-airbag module (RH) (squib) system (short-circuited to the earth)
B1423^*1	Side-airbag module (RH) (squib) system (short-circuited to the power supply)
B1424^*3	Side-airbag module (RH) (squib ignition drive circuit) system detected short circuit
B1425^*3	Side-airbag module (RH) (squib ignition drive circuit) system detected open circuit
B1426^*3	G-sensor of side impact sensor (RH) failure
B1428^*1	Side impact sensor (RH) communication error
B1429^*1	Side impact sensor (RH) communication impossible
B1430^*1	Side-airbag module (LH) (squib) system (short-circuit between terminals of the squib circuit)
B1431^*1	Side-airbag module (LH) (squib) system (open-circuited in the squib circuit)
B1432^*1	Side-airbag module (LH) (squib) system (short-circuited to the earth)
B1433^*1	Side-airbag module (LH) (squib) system (short-circuited to the power supply)
B1434^*3	Side-airbag module (LH) (squib ignition drive circuit) system detected short circuit
B1435^*3	Side-airbag module (LH) (squib ignition drive circuit) system detected open circuit
B1436^*3	G-sensor of side impact sensor (LH) failure
B1438^*1	Side impact sensor (LH) communication error
B1439^*1	Side impact sensor (LH) communication impossible
B1440^*1	Curtain air bag module (RH) (squib) system (short-circuited between terminals of the squib circuit)
B1441^*1	Curtain air bag module (RH) (squib) system (open-circuited in the squib circuit)
B1442^*1	Curtain air bag module (RH) (squib) system (short-circuited to the earth)
B1443^*1	Curtain air bag module (RH) (squib) system (short-circuited to the power supply)
B1444^*3	Curtain air bag module (RH) (squib ignition drive circuit) system detected short circuit
B1445^*3	Curtain air bag module (RH) (squib ignition drive circuit) system detected open circuit
B1450^*1	Curtain air bag module (LH) (squib) system (short-circuited between terminals of the squib circuit)
B1451^*1	Curtain air bag module (LH) (squib) system (open-circuited in the squib circuit)
B1452^*1	Curtain air bag module (LH) (squib) system (short-circuited to the earth)
B1453^*1	Curtain air bag module (LH) (squib) system (short-circuited to the power supply)
B1454^*3	Curtain air bag module (LH) (squib ignition drive circuit) system detected short circuit
B1455^*3	Curtain air bag module (LH) (squib ignition drive circuit) system detected open circuit
B1466^*3	Analog G-sensor system in the SRS-ECU (front air bag)
B1467^*3	Safing G-sensor open circuit (front air bag)
B1468^*3	Safing G-sensor short circuit (front air bag)
B1469^*3	Analog G-sensor system in the SRS-ECU (side air bag)
B1476^*2	ON power supply open circuit (Fuse No.15 circuit)
B1477^*2	ON power supply open circuit (Fuse No.21 circuit)
B1478^*3	SRS-ECU backup capacitor circuit voltage too high
B1479^*3	SRS-ECU backup capacitor circuit voltage too low
B1488^*3	Passenger’s air bag OFF indicator lamp drive circuit malfunction
B1489^*1	Passenger’s air bag OFF indicator lamp circuit malfunction	Lamp does not illuminate
		Lamp does not switch off
B1496^*3	SRS-ECU non-volatile memory (EEPROM)
B1498^*3	SRS-ECU abnormal condition in ROM or RAM
B1499^*3	Air bag deployment determined by SRS-ECU
B1509^*2	Incorrect installation of SRS-ECU
B1519^*2	SRS-ECU connector lock out of order
B1547^*3	Passenger’s air bag cut off activating circuit
B1550^*3	SRS warning lamp drive circuit malfunction
B1551^*1	SRS warning lamp circuit malfunction	Lamp does not illuminate
		Lamp does not switch off
B1557^*3	SRS-ECU application specific integrated circuit
B1574^*1	Passenger’s air bag cut off switch circuit open
B1575^*1	Passenger’s air bag cut off switch circuit (earth side) shorted
B1576^*1	Passenger’s air bag cut off switch circuit (power supply side) shorted
B1581^*2	Passenger’s air bag cut off switch wrong installation
B1595^*1	Front impact sensor (RH) system	Short circuit in the sensor
B1596^*1		Open circuit in the sensor
B1597^*1		Short circuit in the earth
B1598^*1		Short circuit in the power supply
B1599^*1	Front impact sensor (LH) system	Short circuit in the sensor
B1600^*1		Open circuit in the sensor
B1601^*1		Short circuit in the earth
B1602^*1		Short circuit in the power supply
B1603^*1	Seat belt pre-tensioner (driver’s side) (squib) system (short-circuited between terminals of the squib circuit)
B1604^*1	Seat belt pre-tensioner (driver’s side) (squib) system (open-circuited in the squib circuit)
B1605^*1	Seat belt pre-tensioner (driver’s side) (squib) system (short-circuited to the earth)
B1606^*1	Seat belt pre-tensioner (driver’s side) (squib) system (short-circuited to the power supply)
B1607^*3	Seat belt pre-tensioner (driver’s side) (squib ignition drive circuit) system detected short circuit
B1608^*3	Seat belt pre-tensioner (driver’s side) (squib ignition drive circuit) system detected open circuit
B1609^*1	Seat belt pre-tensioner (passenger’s side) (squib) system (short-circuit between terminals of the squib circuit)
B1610^*1	Seat belt pre-tensioner (passenger’s side) (squib) system (open-circuited in the squib circuit)
B1611^*1	Seat belt pre-tensioner (passenger’s side) (squib) system (short-circuited to the earth)
B1612^*1	Seat belt pre-tensioner (passenger’s side) (squib) system (short-circuited to the power supply)
B1613^*3	Seat belt pre-tensioner (passenger’s side) (squib ignition drive circuit) system detected short circuit
B1614^*3	Seat belt pre-tensioner (passenger’s side) (squib ignition drive circuit) system detected short circuit
B1616^*3	Safing G-sensor circuit failure (front air bag)
B1641^*3	G-sensor of rear detect sensor failure
B1643^*1	Rear detect sensor communication error
B1644^*1	Rear detect sensor communication impossible
B1697^*4	SRS-ECU system (emergency call has been judged)		-
B1698^*3	SRS-ECU system (high voltage shutdown has been judged)

^*1: This diagnosis code will remain in memory and the SRS warning lamp will be switched on even if the system returns to normal condition.
^*2: This diagnosis code will remain in memory and the SRS warning lamp will be switched off when the system returns to normal condition.
^*3: This diagnosis code cannot be erased by "Erase diagnosis codes" function.
^*4: Though the SRS does not have emergency call function, this diagnosis code is set.

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