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:
|
|
Does not apply to test/check mode |
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:
Click here
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 |
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.
NG |
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.
(c) Turn the ignition switch ON.
(d) Check the passenger airbag ON/OFF indicator operation.
OK:
The passenger airbag ON/OFF indicator does not come on.
NG |
GO TO STEP 5 |
|
4. |
CHECK DTC |
(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) Connect the connector to the airbag sensor assembly.
(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 CodesOK:
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.
OK |
USE SIMULATION METHOD TO CHECK |
NG |
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.
(c) Disconnect the connector from the passenger airbag ON/OFF indicator (clock assembly).
(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 |
NG |
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 |
NG |
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.
(c) Measure the voltage according to the value(s) in the table below.
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.
NG |
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 |
OK |
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 |
OK |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
NG |
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.
(c) Turn the ignition switch ON.
(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.
OK |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
NG |
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 |
OK |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
NG |
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 |
(c) Disconnect the service wire from connector B.
(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.
OK |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
NG |
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.
NG |
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.
(c) 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 |
NG |
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 |
NG |
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.
(c) Measure the voltage according to the value(s) in the table below.
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.
NG |
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 |
NG |
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 |
(c) 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.
NG |
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.
(c) Turn the ignition switch ON.
(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.
NG |
REPLACE PASSENGER AIRBAG ON/OFF INDICATOR (CLOCK ASSEMBLY) |
|
20. |
CHECK DTC |
(a) Connect the connector to the airbag sensor assembly. |
|
(b) Connect the cable to the negative (-) battery terminal.
(c) Clear the DTCs stored in memory.
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 CodesOK:
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.
OK |
USE SIMULATION METHOD TO CHECK |
NG |
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 |
OK |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
NG |
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.
(c) Turn the ignition switch ON.
(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.
OK |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
NG |
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 |
OK |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
NG |
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 |
(c) Disconnect the service wire from connector B.
(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.
OK |
REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY |
NG |
REPLACE INSTRUMENT PANEL WIRE |
Toyota CH-R Service Manual > Can Communication System: Blind Spot Monitor Sensor Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Blind Spot Monitor Sensor Communication Stop Mode
Any of the following conditions are met:
Communication stop for "Blind Spot Monitor Master" is indicated
on th ...
Toyota CH-R Service Manual > Vehicle Stability Control System: Stop Light Control Relay Malfunction (C1380)
DESCRIPTION
When the dynamic radar cruise control system*1, pre-collision system*1 or brake
hold control system operates, the skid control ECU outputs a stop light drive output
(STPO) signal to illuminate the stop lights.
*1: w/ Pre-collision System
DTC No.
Detection Ite ...