Operation CHARM: Car repair manuals for everyone.

Part 2

13. CHECK PASSENGER AIRBAG ON/OFF INDICATOR CIRCUIT (SHORT TO B+)

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

(b) Turn the engine switch on (IG).

(c) w/ Navigation System:





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

Standard Voltage:





Text in Illustration





(d) w/o Navigation System:





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

Standard Voltage:





Text in Illustration





NG -- CHECK INSTRUMENT PANEL WIRE (SHORT TO B+)
OK -- Continue to next step.

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

(a) Turn the engine switch on (IG).

(b) w/ Navigation System:





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

Standard Voltage:





Result:





Text in Illustration





(c) w/o Navigation System:





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

Standard Voltage:





Result:





Text in Illustration





C -- REPLACE WIRE HARNESS (ACCESSORY METER ASSEMBLY - BATTERY) OR BATTERY

B -- REPLACE WIRE HARNESS (RADIO RECEIVER ASSEMBLY - BATTERY) OR BATTERY
A -- Continue to next step.

15. CHECK PASSENGER AIRBAG ON/OFF INDICATOR

(a) Turn the engine switch off.





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

NOTICE:
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 radio receiver assembly*1 or accessory meter assembly*2.

*1: w/ Navigation System

*2: w/o Navigation System

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

(e) Turn the engine switch on (IG).

(f) Check the indicator according to the conditions in the table below.

Result:





Result:





Text in Illustration





C -- REPLACE ACCESSORY METER ASSEMBLY

B -- REPLACE RADIO RECEIVER ASSEMBLY

A -- Continue to next step.

16. CHECK CENTER AIRBAG SENSOR ASSEMBLY

(a) Turn the engine switch off.





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

NOTICE:
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 center airbag sensor assembly.

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

(e) Turn the engine switch on (IG), and wait for at least 60 seconds.

(f) Clear the DTCs stored in the memory DTC Check / Clear

(g) Turn the engine switch off.

(h) Turn the engine switch on (IG), and wait for at least 60 seconds.

(i) Check for DTCs DTC Check / Clear.

OK:

DTC B1660/43 is not output.

Text in Illustration





*1: w/ Navigation System

*2: w/o Navigation System

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

NG -- REPLACE CENTER AIRBAG SENSOR ASSEMBLY

OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

1. CHECK INSTRUMENT PANEL WIRE (OPEN)

(a) Disconnect the instrument panel wire from the No. 2 instrument panel wire.





HINT
SST has already been inserted into connector B.

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

Standard Resistance:





Text in Illustration





*1: w/ Navigation System

*2: w/o Navigation System

NG -- REPLACE INSTRUMENT PANEL WIRE

OK -- REPLACE NO. 2 INSTRUMENT PANEL WIRE

2. CHECK INSTRUMENT PANEL WIRE (SHORT)

(a) Disconnect the instrument panel wire from the No. 2 instrument panel wire.





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

Standard Resistance:





Text in Illustration





*1: w/ Navigation System

*2: w/o Navigation System

NG -- REPLACE INSTRUMENT PANEL WIRE

OK -- REPLACE NO. 2 INSTRUMENT PANEL WIRE

3. CHECK INSTRUMENT PANEL WIRE (SHORT TO GROUND)

(a) Disconnect the instrument panel wire from the No. 2 instrument panel wire.





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

Standard Resistance:





Text in Illustration





*1: w/ Navigation System

*2: w/o Navigation System

NG -- REPLACE INSTRUMENT PANEL WIRE

OK -- REPLACE NO. 2 INSTRUMENT PANEL WIRE

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

(a) Turn the engine switch off.





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

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

(c) Disconnect the instrument panel wire from the No. 2 instrument panel wire.

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

(e) Turn the engine switch on (IG).

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

Standard Voltage:





Text in Illustration





*1: w/ Navigation System

*2: w/o Navigation System

NG -- REPLACE INSTRUMENT PANEL WIRE

OK -- REPLACE NO. 2 INSTRUMENT PANEL WIRE