RM36D0EC _59 Vehicle Exterior _083096 LIGHTING (EXT) _0402622 LIGHTING SYSTEM J

LIGHTING (EXT)  LIGHTING SYSTEM  Back-up Light Circuit  


DESCRIPTION

The hybrid vehicle control ECU controls the back-up lights.

WIRING DIAGRAM

for HV Model


E444215E08
0.917,1.615 2.625,1.979 1.708,0.365 10 false A30 1.875,1.052 2.375,1.281 0.5,0.229 10 false BL 2.167,0.969 2.667,1.198 0.5,0.229 10 false 49 4.302,0.875 4.802,1.104 0.5,0.229 10 false 29 5.792,1.115 6.781,1.49 0.99,0.375 10 false IC 4.708,3.802 7.01,4.125 2.302,0.323 10 false Power Distribution Box Assembly 1.083,4.938 1.583,5.167 0.5,0.229 10 false R26 0.906,3.323 1.406,3.552 0.5,0.229 10 false R25 0.906,3.469 3.219,3.771 2.313,0.302 10 false Rear Light Socket and Wire LH 1.531,2.813 2.5,3.042 0.969,0.229 10 false Back-up Light 3.333,2.479 3.833,2.708 0.5,0.229 10 false B 3.333,2.958 3.833,3.188 0.5,0.229 10 false E 4.302,1.073 4.802,1.302 0.5,0.229 10 false 6B 4.344,2.344 4.844,2.573 0.5,0.229 10 false 38 4.323,2.563 4.823,2.792 0.5,0.229 10 false 6F 3.552,2.979 4.052,3.208 0.5,0.229 10 false 1 3.563,4.583 4.063,4.813 0.5,0.229 10 false 1 5.75,2.521 6.448,2.729 0.698,0.208 10 false IPD 3.563,2.479 4.063,2.708 0.5,0.229 10 false 3 3.573,4.104 4.073,4.333 0.5,0.229 10 false 3 3.365,4.583 3.865,4.813 0.5,0.229 10 false E 3.354,4.094 3.854,4.323 0.5,0.229 10 false B 1.063,5.104 3.125,5.313 2.063,0.208 10 false Rear Light Socket and Wire RH 1.469,4.396 2.438,4.625 0.969,0.229 10 false Back-up Light 0.927,1.781 2.635,2.146 1.708,0.365 10 false Hybrid Vehicle Control ECU


for Gasoline Model


E444215E09
1.083,1.604 2.792,1.969 1.708,0.365 10 false A125 1.875,1.052 2.375,1.281 0.5,0.229 10 false BL 2.167,0.969 2.667,1.198 0.5,0.229 10 false 82 4.375,0.875 4.875,1.104 0.5,0.229 10 false 9 5.792,1.115 6.781,1.49 0.99,0.375 10 false IC 4.708,3.802 7.01,4.125 2.302,0.323 10 false Power Distribution Box Assembly 1.083,4.938 1.583,5.167 0.5,0.229 10 false R26 0.906,3.323 1.406,3.552 0.5,0.229 10 false R25 0.906,3.469 3.219,3.771 2.313,0.302 10 false Rear Light Socket and Wire LH 1.458,2.792 2.427,3.021 0.969,0.229 10 false Back-up Light 3.333,2.479 3.833,2.708 0.5,0.229 10 false B 3.333,2.958 3.833,3.188 0.5,0.229 10 false E 4.333,1.073 4.833,1.302 0.5,0.229 10 false 6E 4.344,2.344 4.844,2.573 0.5,0.229 10 false 38 4.323,2.563 4.823,2.792 0.5,0.229 10 false 6F 3.552,2.979 4.052,3.208 0.5,0.229 10 false 1 3.563,4.583 4.063,4.813 0.5,0.229 10 false 1 5.75,2.521 6.448,2.729 0.698,0.208 10 false IPD 3.563,2.479 4.063,2.708 0.5,0.229 10 false 3 3.573,4.104 4.073,4.333 0.5,0.229 10 false 3 3.365,4.583 3.865,4.813 0.5,0.229 10 false E 3.354,4.094 3.854,4.323 0.5,0.229 10 false B 1.063,5.104 3.125,5.313 2.063,0.208 10 false Rear Light Socket and Wire RH 1.469,4.396 2.438,4.625 0.969,0.229 10 false Back-up Light 1.365,1.813 3.073,2.177 1.708,0.365 10 false ECM


CAUTION / NOTICE / HINT

NOTICE:
·

Inspect the fuses for circuits related to this system before performing the following procedure.

·

Before replacing the hybrid vehicle control ECU, refer to Service Bulletin.



PROCEDURE

1.CONFIRM MODEL
a.

Choose the model to be inspected.


Result:
Result Proceed to
for HV Model A
for Gasoline Model B



A

2.CHECK FOR DTC

B

8.CHECK FOR DTC
2.CHECK FOR DTC
a.

Check for DTCs.

Powertrain > Hybrid Control > Trouble Codes
50001 397
OK:

Hybrid control system DTCs are not output.



Result:
Proceed to
OK
NG



OK

3.READ VALUE USING GTS

NG

GO TO HYBRID CONTROL SYSTEM

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>HYBRID CONTROL SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING


3.READ VALUE USING GTS
a.

Changes the shift lever R position.


b.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Back-up Light Input Signal Back-up light input condition OFF or ON OFF: Shift lever in any position other than R
ON: Shift lever in R 		-
Body Electrical > Power Distribution Box > Data List
Tester Display
Back-up Light Input Signal
50003 475 1305
OK:

Display changes according to shift lever operation.



Result:
Proceed to
OK
NG



OK

4.READ VALUE USING GTS

NG

6.CHECK HYBRID VEHICLE CONTROL ECU (OUTPUT VOLTAGE)
4.READ VALUE USING GTS
a.

Changes the shift lever R position.


b.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Back-up Light Output Signal Back-up light output condition OFF or ON OFF: Back-up light not illuminated
ON: Back-up light illuminated 		-
Body Electrical > Power Distribution Box > Data List
Tester Display
Back-up Light Output Signal
50003 475 1306
OK:

Display changes according to shift lever operation.



Result:
Proceed to
OK
NG



OK

5.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - REAR LIGHT SOCKET AND WIRE RH)

NG

REPLACE POWER DISTRIBUTION BOX ASSEMBLY

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


5.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - REAR LIGHT SOCKET AND WIRE RH)
a.

Disconnect the 6F power distribution box assembly connector.


b.

Disconnect the R26 rear light socket and wire RH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
6F-38 - R26-3 (B) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE POWER DISTRIBUTION BOX ASSEMBLY

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

6.CHECK HYBRID VEHICLE CONTROL ECU (OUTPUT VOLTAGE)
E444347C05
1.51,0.427 1.927,0.729 0.417,0.302 0.063,0.073 0.375,0.229 0.313,0.156 10 false *a 1.656,0.51 1.969,0.667 0.313,0.156 10 false 6B
*a Front view of wire harness connector
(to Power Distribution Box Assembly)


a.

Disconnect the power distribution box assembly connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
6B-29 - Body ground Ignition switch ON, shift lever not in R Below 1 V
Ignition switch ON, shift lever in R 11 to 14 V



Result:
Proceed to
OK
NG



OK

REPLACE POWER DISTRIBUTION BOX ASSEMBLY

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


NG

7.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - HYBRID VEHICLE CONTROL ECU)
7.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - HYBRID VEHICLE CONTROL ECU)
a.

Disconnect the 6B power distribution box assembly connector.


b.

Disconnect the A30 hybrid vehicle control ECU connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
6B-19 - A30-49 (BL) Always Below 1 Ω
6B-19 or A30-49 (BL) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE HYBRID VEHICLE CONTROL ECU

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>HYBRID VEHICLE CONTROL ECU>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.CHECK FOR DTC
a.

Check for DTCs.

Powertrain > Engine > Trouble Codes
50001 372
OK:

SFI system DTCs are not output.



Result:
Proceed to
OK
NG



OK

9.READ VALUE USING GTS

NG

GO TO SFI SYSTEM

for M20C-FKS: Click hereEngine / Hybrid System>M20C-FKS (ENGINE CONTROL)>SFI SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING

for M20D-FKS: Click hereEngine / Hybrid System>M20D-FKS (ENGINE CONTROL)>SFI SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING


9.READ VALUE USING GTS
a.

Changes the shift lever R position.


b.

Using the GTS, read the Data List.

Body Electrical > Power Distribution Box > Data List
Tester Display Measurement Item Range Normal Condition Diagnostic Note
Back-up Light Input Signal Back-up light input condition OFF or ON OFF: Shift lever in any position other than R
ON: Shift lever in R 		-
Body Electrical > Power Distribution Box > Data List
Tester Display
Back-up Light Input Signal
50003 475 1305
OK:

Display changes according to shift lever operation.



Result:
Proceed to
OK
NG



OK

4.READ VALUE USING GTS

NG

10.CHECK ECM (OUTPUT VOLTAGE)
10.CHECK ECM (OUTPUT VOLTAGE)
E545974C01
1.385,0.167 1.865,0.438 0.479,0.271 0.188,0.177 0.5,0.375 0.313,0.198 10 false *a 1.563,0.229 1.875,0.427 0.313,0.198 10 false 6E
*a Front view of wire harness connector
(to Power Distribution Box Assembly)


a.

Disconnect the power distribution box assembly connector.


b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
6E-9 - Body ground Ignition switch ON, shift lever not in R Below 1 V
Ignition switch ON, shift lever in R 11 to 14 V



Result:
Proceed to
OK
NG



OK

REPLACE POWER DISTRIBUTION BOX ASSEMBLY

Click herePower Source / Network>POWER DISTRIBUTION>MAIN BODY ECU>REMOVAL


NG

11.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - ECM)
11.CHECK HARNESS AND CONNECTOR (POWER DISTRIBUTION BOX ASSEMBLY - ECM)
a.

Disconnect the 6E power distribution box assembly connector.


b.

Disconnect the A125 ECM connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
6E-9 - A125-82 (BL) Always Below 1 Ω
6E-9 or A125-82 (BL) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE ECM

for M20C-FKS: Click hereEngine / Hybrid System>M20C-FKS (ENGINE CONTROL)>ECM>REMOVAL

for M20D-FKS: Click hereEngine / Hybrid System>M20D-FKS (ENGINE CONTROL)>ECM>REMOVAL


NG

REPAIR OR REPLACE HARNESS OR CONNECTOR