Toyota CH-R Service Manual: Passenger Airbag ON/OFF Indicator Circuit Malfunction (B1660/43)

Toyota CH-R Service Manual / Supplemental Restraint Systems / Airbag System / Passenger Airbag ON/OFF Indicator Circuit Malfunction (B1660/43)

DESCRIPTION

The passenger airbag ON/OFF indicator circuit consists of the airbag sensor assembly and passenger airbag ON/OFF indicator.

The passenger airbag ON/OFF indicator indicates the operation condition of the instrument panel passenger without door airbag assembly.

DTC B1660/43 is stored when a malfunction is detected in the passenger airbag ON/OFF indicator circuit.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Test Mode / Check Mode
B1660/43	Passenger Airbag ON/OFF Indicator Circuit Malfunction	Any of the following conditions is met: The airbag sensor assembly detects a line short in the passenger airbag ON/OFF indicator circuit. The airbag sensor assembly detects a short to ground in the passenger airbag ON/OFF indicator circuit. The airbag sensor assembly detects a short to B+ in the passenger airbag ON/OFF indicator circuit. The airbag sensor assembly detects an open in the passenger airbag ON/OFF indicator circuit. Passenger airbag ON/OFF indicator malfunction Airbag sensor assembly malfunction	Instrument panel wire Instrument panel junction block assembly Passenger airbag ON/OFF indicator (Clock assembly) Airbag sensor assembly	Does not apply to test/check mode

DTC Detection Conditions:

		Vehicle Condition
		Pattern 1	Pattern 2	Pattern 3	Pattern 4	Pattern 5	Pattern 6
Diagnosis Condition	Ignition switch ON	○	○	○	○	○	○
Malfunction Status	The airbag sensor assembly detects a line short in the passenger airbag ON/OFF indicator circuit	○	-	-	-	-	-
	The airbag sensor assembly detects a short to ground in the passenger airbag ON/OFF indicator circuit	-	○	-	-	-	-
	The airbag sensor assembly detects a short to B+ in the passenger airbag ON/OFF indicator circuit	-	-	○	-	-	-
	The airbag sensor assembly detects an open in the passenger airbag ON/OFF indicator circuit	-	-	-	○	-	-
	Passenger airbag ON/OFF indicator malfunction	-	-	-	-	○	-
	Airbag sensor assembly malfunction	-	-	-	-	-	○
Detection Time		-	-	-	-	-	-
Number of Trips		1 trip	1 trip	1 trip	1 trip	1 trip	1 trip

HINT:

DTC will be output when conditions for either of the patterns in the table above are met.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
Click here
Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.	CHECK PASSENGER AIRBAG ON/OFF INDICATOR CONDITION

(a) Turn the ignition switch ON.

(b) Check the passenger airbag ON/OFF indicator operation.

HINT:

Refer to the normal condition of the passenger airbag ON/OFF indicator.

Click here

Result	Proceed to
Passenger airbag ON/OFF indicator illumination is always on.	A
Passenger airbag ON/OFF indicator illumination is always off.	B

GO TO STEP 13

2.	CHECK CONNECTORS

(a) Turn the ignition switch ON.

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Check that the connectors are properly connected to the airbag sensor assembly, passenger airbag ON/OFF indicator (clock assembly) and instrument panel junction block assembly.

OK:

The connectors are properly connected.

HINT:

If the connectors are not properly connected, reconnect the connectors and proceed to the next inspection.

(d) Disconnect the connectors from the airbag sensor assembly, passenger airbag ON/OFF indicator (clock assembly) and instrument panel junction block assembly.

(e) Check that the terminals of the connectors are not deformed or damaged.

OK:

The terminals are not deformed or damaged.

REPLACE INSTRUMENT PANEL WIRE

3.	CHECK PASSENGER AIRBAG ON/OFF INDICATOR CONDITION

(a) Connect the connector to the passenger airbag ON/OFF indicator (clock assembly) and instrument panel junction block assembly.

(b) Connect the cable to the negative (-) battery terminal.

(d) Check the passenger airbag ON/OFF indicator operation.

OK:

The passenger airbag ON/OFF indicator does not come on.

GO TO STEP 5

CHECK DTC

(a) Turn the ignition switch off.

*A	w/o Occupant Classification System
*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly
*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(d) Connect the cable to the negative (-) battery terminal.

(e) Clear the DTCs stored in memory.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(f) Turn the ignition switch off.

(g) Turn the ignition switch ON, and wait for at least 60 seconds.

(h) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

OK:

DTC B1660/43 is not output.

HINT:

Codes other than DTC B1660/43 may be output at this time, but they are not related to this check.

USE SIMULATION METHOD TO CHECK

REPLACE AIRBAG SENSOR ASSEMBLY

5.	CHECK WIRE HARNESS (OPEN)

(a) Turn the ignition switch off.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*5	Service Wire	-	-
*a	Front view of wire harness connector (to Airbag Sensor Assembly)	*b	Front view of wire harness connector (to Passenger Airbag ON/OFF Indicator (Clock Assembly))

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(d) Using a service wire, connect terminals 23 (PAON) and 17 (P-AB) of connector B.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
F81-4 (PAON) - F81-3 (P-AB)	Always	Below 1 Ω

GO TO STEP 12

6.	CHECK WIRE HARNESS (SHORT)

(a) Disconnect the service wire from connector B.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Passenger Airbag ON/OFF Indicator (Clock Assembly))	-	-

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
F81-4 (PAON) - F81-3 (P-AB)	Always	1 MΩ or higher

GO TO STEP 11

7.	CHECK WIRE HARNESS (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Passenger Airbag ON/OFF Indicator (Clock Assembly))	-	-

(b) Turn the ignition switch ON.

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
F81-4 (PAON) - Body ground	Ignition switch ON	Below 1 V
F81-3 (P-AB) - Body ground	Ignition switch ON	Below 1 V

(d) Turn the ignition switch off.

(e) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

GO TO STEP 10

8.	CHECK WIRE HARNESS (SHORT TO GROUND)

(a) Measure the resistance according to the value(s) in the table below.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Passenger Airbag ON/OFF Indicator (Clock Assembly))	-	-

Standard Resistance:

Tester Connection	Condition	Specified Condition
F81-4 (PAON) - Body ground	Always	1 MΩ or higher
F81-3 (P-AB) - Body ground	Always	1 MΩ or higher

REPLACE PASSENGER AIRBAG ON/OFF INDICATOR (CLOCK ASSEMBLY)

9.	CHECK INSTRUMENT PANEL WIRE (SHORT TO GROUND)

(a) Disconnect the connector from the instrument panel junction block assembly.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)	-	-

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
3A-8 (PAON) - Body ground	Always	1 MΩ or higher
3A-29 (PAON) - Body ground	Always	1 MΩ or higher
3A-46 (P-AB) - Body ground	Always	1 MΩ or higher
3A-51 (P-AB) - Body ground	Always	1 MΩ or higher

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

REPLACE INSTRUMENT PANEL WIRE

10.	CHECK INSTRUMENT PANEL WIRE (SHORT TO B+)

(a) Disconnect the connector from the instrument panel junction block assembly.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)	-	-

(b) Connect the cable to the negative (-) battery terminal.

(d) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
3A-8 (PAON) - Body ground	Ignition switch ON	Below 1 V
3A-29 (PAON) - Body ground	Ignition switch ON	Below 1 V
3A-46 (P-AB) - Body ground	Ignition switch ON	Below 1 V
3A-51 (P-AB) - Body ground	Ignition switch ON	Below 1 V

(e) Turn the ignition switch off.

(f) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

REPLACE INSTRUMENT PANEL WIRE

11.	CHECK INSTRUMENT PANEL WIRE (SHORT)

(a) Disconnect the connector from the instrument panel junction block assembly.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)	-	-

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
3A-8 (PAON) - 3A-46 (P-AB)	Always	1 MΩ or higher
3A-29 (PAON) - 3A-51 (P-AB)	Always	1 MΩ or higher

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

REPLACE INSTRUMENT PANEL WIRE

12.	CHECK INSTRUMENT PANEL WIRE (OPEN)

(a) Disconnect the connector from the instrument panel junction block assembly.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*5	Service Wire	-	-
*a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)	*b	Front view of wire harness connector (to Airbag Sensor Assembly)

HINT:

The service wire has already been inserted into connector B.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
3A-8 (PAON) - 3A-46 (P-AB)	Always	Below 1 Ω

(d) Using a service wire, connect terminals 3 (P-AB) and 4 (PAON) of connector E.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*5	Service Wire	-	-
*a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)	*b	Front view of wire harness connector (to Passenger Airbag ON/OFF Indicator (Clock Assembly))

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
3A-29 (PAON) - 3A-51 (P-AB)	Always	Below 1 Ω

(f) Disconnect the service wire from connector E.

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

REPLACE INSTRUMENT PANEL WIRE

13.	CHECK CONNECTORS

(a) Turn the ignition switch off.

(b) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

(c) Check that the connectors are properly connected to the airbag sensor assembly, passenger airbag ON/OFF indicator (clock assembly) and instrument panel junction block assembly.

OK:

The connectors are properly connected.

HINT:

If the connectors are not properly connected, reconnect the connectors and proceed to the next inspection.

(d) Disconnect the connectors from the airbag sensor assembly, passenger airbag ON/OFF indicator (clock assembly) and instrument panel junction block assembly.

(e) Check that the terminals of the connectors are not deformed or damaged.

OK:

The terminals are not deformed or damaged.

REPLACE INSTRUMENT PANEL WIRE

14.	CHECK WIRE HARNESS (OPEN)

(a) Connect the connector to the instrument panel junction block assembly.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*5	Service Wire	-	-
*a	Front view of wire harness connector (to Airbag Sensor Assembly)	*b	Front view of wire harness connector (to Passenger Airbag ON/OFF Indicator (Clock Assembly))

(b) Using a service wire, connect terminals 23 (PAON) and 17 (P-AB) of connector B.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

Standard Resistance:

Tester Connection	Condition	Specified Condition
F81-4 (PAON) - F81-3 (P-AB)	Always	Below 1 Ω

GO TO STEP 24

15.	CHECK WIRE HARNESS (SHORT)

(a) Disconnect the service wire from connector B.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Passenger Airbag ON/OFF Indicator (Clock Assembly))	-	-

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
F81-4 (PAON) - F81-3 (P-AB)	Always	1 MΩ or higher

GO TO STEP 23

16.	CHECK WIRE HARNESS (SHORT TO B+)

(a) Connect the cable to the negative (-) battery terminal.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Passenger Airbag ON/OFF Indicator (Clock Assembly))	-	-

(b) Turn the ignition switch ON.

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
F81-4 (PAON) - Body ground	Ignition switch ON	Below 1 V
F81-3 (P-AB) - Body ground	Ignition switch ON	Below 1 V

(d) Turn the ignition switch off.

(e) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

GO TO STEP 22

17.	CHECK WIRE HARNESS (SHORT TO GROUND)

(a) Measure the resistance according to the value(s) in the table below.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Passenger Airbag ON/OFF Indicator (Clock Assembly))	-	-

Standard Resistance:

Tester Connection	Condition	Specified Condition
F81-4 (PAON) - Body ground	Always	1 MΩ or higher
F81-3 (P-AB) - Body ground	Always	1 MΩ or higher

GO TO STEP 21

18.	CHECK PASSENGER AIRBAG ON/OFF INDICATOR (SOURCE VOLTAGE)

(a) Connect the cable to the negative (-) battery terminal.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Passenger Airbag ON/OFF Indicator (Clock Assembly))	-	-

(b) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
F81-7 (B) - Body ground	Ignition switch off	11 to 14 V

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

REPLACE WIRE HARNESS OR BATTERY

19.	CHECK PASSENGER AIRBAG ON/OFF INDICATOR

(a) Connect the connector to the passenger airbag ON/OFF indicator (clock assembly).

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Airbag Sensor Assembly)	-	-

(b) Connect the cable to the negative (-) battery terminal.

(d) Check the passenger airbag ON/OFF indicator according to the conditions in the table below.

OK:

Terminal Connection	Switch Condition	Specified Condition
F70-23 (PAON) - Body ground	Ignition switch ON	"ON" comes on
F70-17 (P-AB) - Body ground	Ignition switch ON	"OFF" comes on

(e) Turn the ignition switch off.

(f) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

REPLACE PASSENGER AIRBAG ON/OFF INDICATOR (CLOCK ASSEMBLY)

20.

CHECK DTC

(a) Connect the connector to the airbag sensor assembly.

*A	w/o Occupant Classification System
*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly
*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)

(b) Connect the cable to the negative (-) battery terminal.

Click here

Body Electrical > SRS Airbag > Clear DTCs

(d) Turn the ignition switch off.

(e) Turn the ignition switch ON, and wait for at least 60 seconds.

(f) Check for DTCs.

Click here

Body Electrical > SRS Airbag > Trouble Codes

OK:

DTC B1660/43 is not output.

HINT:

Codes other than DTC B1660/43 may be output at this time, but they are not related to this check.

USE SIMULATION METHOD TO CHECK

REPLACE AIRBAG SENSOR ASSEMBLY

21.	CHECK INSTRUMENT PANEL WIRE (SHORT TO GROUND)

(a) Disconnect the connector from the instrument panel junction block assembly.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)	-	-

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
3A-8 (PAON) - Body ground	Always	1 MΩ or higher
3A-29 (PAON) - Body ground	Always	1 MΩ or higher
3A-46 (P-AB) - Body ground	Always	1 MΩ or higher
3A-51 (P-AB) - Body ground	Always	1 MΩ or higher

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

REPLACE INSTRUMENT PANEL WIRE

22.	CHECK INSTRUMENT PANEL WIRE (SHORT TO B+)

(a) Disconnect the connector from the instrument panel junction block assembly.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)	-	-

(b) Connect the cable to the negative (-) battery terminal.

(d) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Tester Connection	Switch Condition	Specified Condition
3A-8 (PAON) - Body ground	Ignition switch ON	Below 1 V
3A-29 (PAON) - Body ground	Ignition switch ON	Below 1 V
3A-46 (P-AB) - Body ground	Ignition switch ON	Below 1 V
3A-51 (P-AB) - Body ground	Ignition switch ON	Below 1 V

(e) Turn the ignition switch off.

(f) Disconnect the cable from the negative (-) battery terminal.

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

REPLACE INSTRUMENT PANEL WIRE

23.	CHECK INSTRUMENT PANEL WIRE (SHORT)

(a) Disconnect the connector from the instrument panel junction block assembly.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)	-	-

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
3A-8 (PAON) - 3A-46 (P-AB)	Always	1 MΩ or higher
3A-29 (PAON) - 3A-51 (P-AB)	Always	1 MΩ or higher

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

REPLACE INSTRUMENT PANEL WIRE

24.	CHECK INSTRUMENT PANEL WIRE (OPEN)

(a) Disconnect the connector from the instrument panel junction block assembly.

HINT:

The service wire has already been inserted into connector B.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*5	Service Wire	-	-
*a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)	*b	Front view of wire harness connector (to Airbag Sensor Assembly)

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
3A-8 (PAON) - 3A-46 (P-AB)	Always	Below 1 Ω

(d) Using a service wire, connect terminals 3 (P-AB) and 4 (PAON) of connector E.

NOTICE:

Do not forcibly insert the service wire into the terminals of the connector when connecting the wire.

*A	w/o Occupant Classification System	*B	w/ Occupant Classification System
*1	Instrument Panel Junction Block Assembly	*2	Airbag Sensor Assembly
*3	Passenger Airbag ON/OFF Indicator (Clock Assembly)	*4	Instrument Panel Wire
*5	Service Wire	-	-
*a	Front view of wire harness connector (to Instrument Panel Junction Block Assembly)	*b	Front view of wire harness connector (to Passenger Airbag ON/OFF Indicator (Clock Assembly))

(e) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection	Condition	Specified Condition
3A-29 (PAON) - 3A-51 (P-AB)	Always	Below 1 Ω

(f) Disconnect the service wire from connector E.

REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

REPLACE INSTRUMENT PANEL WIRE

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