ALL Stop Light do not Illuminate [10/2015 - ]: Procedure
- CHECK STOP LIGHT OPERATION
- Check that the stop lights illuminate when the brakepedal is depressed.
OK
The stop lights illuminate when the brake pedal isdepressed.
Result Proceed to OK A NG (for LED Headlight) B NG (for Halogen Headlight) C
Result:
A
CHECK CONNECTOR CONNECTION CONDITION
Result:
C
See step 4
Result:
B
See step 2
- Check that the stop lights illuminate when the brakepedal is depressed.
- CHECK HARNESS AND CONNECTOR (OUT)
- Disconnect the A88 brake acyuator assembly.
- Disconnect the A37 stoplight control ECU assembly connector.
- Disconnect the N13 rear combination light lens and body LH connector.
- Disconnect the M19 rear combination light lens and body RH connector.
- Disconnect the U1 center stop light assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A88-35 (STP) - A37-1 (OUT) Always Below 1 Ω A88-35 (STP) - Body ground Always 10 kΩ or higher
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 3
- CHECK STOP LIGHT CONTROL ECU ASSEMBLY (OUT)
- Disconnect the N13 rear combination light lens and body LH connector.
- Disconnect the M19 rear combination light lens and body RH connector.
- Disconnect the U1 center stop light assembly connector.
- Measure the voltage according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition A37-1 (OUT) - Body ground Brake pedal depressed 11 to 14 V
Result:
OK
REPAIR OR REPLACE REAR COMINATION LIGHT LENS AND BODY AND CENTER STOP LIGHT ASSEMBLY
- Inspect the rear combination light lens and body.
Refer to INSPECTION [10/2015 - ] .
- Inspect the center stop light assembly.
Refer to INSPECTION [12/2012 - ] .
Result:
NG
REPLACE STOP LIGHT CONTROL ECU ASSEMBLY. Refer to REMOVAL [10/2015 - ] .
- CHECK HARNESS AND CONNECTOR
- Disconnect the A88 brake acyuator assembly.
- Remove the stop light relay.
- Disconnect the N13 rear combination light lens and body LH connector.
- Disconnect the M19 rear combination light lens and body RH connector.
- Disconnect the U1 center stop light assembly connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition Stop light relay terminal 3 - A88-35 (STP) Always Below 1 Ω A88-35 (STP) - Body ground Always 10 kΩ or higher
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 5
- CHECK STOP LIGHT CONTROL RELAY [STP LP]
- Disconnect the N13 rear combination light lens and body LH connector.
- Disconnect the M19 rear combination light lens and body RH connector.
- Disconnect the U1 center stop light assembly connector.
- Measure the voltage according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition Stop light relay terminal 3 - Body ground Brake pedal depressed 11 to 14 V
Result:
OK
REPAIR OR REPLACE REAR COMINATION LIGHT LENS AND BODY AND CENTER STOP LIGHT ASSEMBLY
- Inspect the rear combination light lens and body.
Refer to INSPECTION [10/2015 - ] .
- Inspect the center stop light assembly.
Refer to INSPECTION [12/2012 - ] .
Result:
NG
REPLACE STOP LIGHT CONTROL RELAY (STOP LP)