RM38T0EC _51 Engine / Hybrid System _144957 HYBRID / BATTERY CONTROL _0604232 HYBRID CONTROL SYSTEM J

HYBRID / BATTERY CONTROL  HYBRID CONTROL SYSTEM  Drive Mode Select Switch Circuit  


DESCRIPTION

When the drive mode select switch (combination switch assembly) is operated, a switch signal is sent to the hybrid vehicle control ECU and the hybrid vehicle control ECU changes the drive mode.

WIRING DIAGRAM

A373470E36
1.531,1.271 3.604,1.635 2.073,0.365 10 false Combination Meter Assembly 4.771,2.875 6.688,3.26 1.917,0.385 10 false Hybrid Vehicle Control ECU 1.385,2.771 3.375,3.208 1.99,0.438 10 false Drive Mode Select Switch (Combination Switch Assembly) 0.583,3.385 2.354,3.75 1.771,0.365 10 false : CAN Communication Line 5.083,2.073 5.552,2.365 0.469,0.292 10 false PDRV 4.802,2.073 5.094,2.333 0.292,0.26 10 false 37 4.781,2.719 5.188,2.99 0.406,0.271 10 false I278 5.74,1.688 6.031,1.948 0.292,0.26 10 false +B 2.792,2.073 3.135,2.333 0.344,0.26 10 false DRV 1.563,2.073 1.854,2.333 0.292,0.26 10 false 5 1.76,2.073 2.219,2.313 0.458,0.24 10 false E 1.396,2.625 1.688,2.885 0.292,0.26 10 false I61 3.208,2.063 3.698,2.396 0.49,0.333 10 false 6

PROCEDURE

1.READ VALUE USING GTS (CAN BUS CHECK)

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>HYBRID CONTROL SYSTEM>Pattern Select Switch EV Mode Circuit

Result:
Result Proceed to
All of the ECUs and sensors that are currently connected to the CAN communication system are displayed A
None of the ECUs and sensors that are currently connected to the CAN communication system are displayed, or some of them are not displayed B



A

2.CHECK DTC OUTPUT (HEALTH CHECK)

B

GO TO CAN COMMUNICATION SYSTEM

Click herePower Source / Network>NETWORKING>CAN COMMUNICATION SYSTEM (for HEV Model)>HOW TO PROCEED WITH TROUBLESHOOTING


2.CHECK DTC OUTPUT (HEALTH CHECK)

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>HYBRID CONTROL SYSTEM>Pattern Select Switch EV Mode Circuit

Result:
Result Proceed to
No DTCs are output A
DTCs are output B



A

3.CHECK DRIVE MODE STATUS

B

GO TO DTC CHART

3.CHECK DRIVE MODE STATUS
a.

Turn the ignition switch to ON.


b.

Operate the drive mode select switch (combination switch assembly) to change the drive mode.


c.

Check that the drive mode indicator is displayed on the multi-information display and changes according to the selected drive mode.

Result:
Result Proceed to
The display changes according to the drive mode select switch operation A
The display does not change according to the drive mode select switch operation B



d.

Turn the ignition switch off.



A

GO TO PROBLEM SYMPTOMS TABLE

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>HYBRID CONTROL SYSTEM>PROBLEM SYMPTOMS TABLE


B

4.READ VALUE USING GTS (POWERTRAIN DRIVE MODE SWITCH)
4.READ VALUE USING GTS (POWERTRAIN DRIVE MODE SWITCH)
a.

Read the value displayed on the GTS.

Powertrain > Hybrid Control > Data List
Tester Display
Powertrain Drive Mode Switch
50003 397 324
Result:
Result Proceed to
The display changes according to the drive mode select switch operation A
Other than above B



b.

Turn the ignition switch off.



A

CHECK METER / GAUGE SYSTEM

Click hereVehicle Interior>METER / GAUGE / DISPLAY>METER / GAUGE SYSTEM>HOW TO PROCEED WITH TROUBLESHOOTING


B

5.INSPECT DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY)
5.INSPECT DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY)

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>COMBINATION SWITCH>INSPECTION

Result:
Proceed to
OK
NG



OK

6.CHECK HARNESS AND CONNECTOR (DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY) - BODY GROUND)

NG

REPLACE COMBINATION SWITCH ASSEMBLY

Click hereEngine / Hybrid System>HYBRID / BATTERY CONTROL>COMBINATION SWITCH>REMOVAL


6.CHECK HARNESS AND CONNECTOR (DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY) - BODY GROUND)
a.

Disconnect the drive mode select switch (combination switch assembly) connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I61-5 (E) - Body ground Always Below 1 Ω



c.

Reconnect the drive mode select switch (combination switch assembly) connector.


Result:
Proceed to
OK
NG



OK

7.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY))

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

7.CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - DRIVE MODE SELECT SWITCH (COMBINATION SWITCH ASSEMBLY))
a.

Disconnect the hybrid vehicle control ECU connector.


b.

Disconnect the drive mode select switch (combination switch assembly) connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I278-37 (PDRV) - I61-6 (DRV) Always Below 1 Ω
I278-37 (PDRV) or I61-6 (DRV) - Body ground Always 10 kΩ or higher



d.

Reconnect the drive mode select switch (combination switch assembly) connector.


e.

Reconnect the hybrid vehicle control ECU connector.


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