Last Modified: 11-29-2007 1.6 J
Service Category: Vehicle Exterior Section: Mirror (ext)
Model Year: 2008 Model: Sequoia Doc ID: RM000002NOP008X
Title: MIRROR (EXT): POWER MIRROR CONTROL SYSTEM (w/ Memory): SYSTEM DESCRIPTION (2008 Sequoia)

Reverse Shift-linked Function of Power Mirrors does not Operate

SYSTEM DESCRIPTION

When the reverse signal is sent from the ECM through the CAN communication line to the outer mirror control ECU, the outer mirror control ECU activates the outer rear view mirror LH and RH reverse shift-linked function.

HINT:

The reverse shift-linked function will not occur when the outer mirror reverse gear link switch is not ON.

WIRING DIAGRAM



INSPECTION PROCEDURE

PROCEDURE

1.

CHECK DTC

(a) Use the Techstream to check if the CAN communication system is functioning normally NETWORKING: CAN COMMUNICATION SYSTEM: DIAGNOSIS SYSTEM (2008 Sequoia) .

Result

Result

Proceed to

CAN DTC is not output

A

CAN DTC is output

B

A

2.

READ VALUE USING TECHSTREAM (PARK/NEUTRAL POSITION SWITCH)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream ON.

(d) Enter the following menus: Powertrain / ECT / Data List.

(e) According to the display on the Techstream, read the Data List.

ECT

Tester Display

Measurement Item/Display

Normal Condition

Diagnostic Note

Shift SW Status (R Range)

PNP switch status / ON or OFF

ON: Shift lever in R

OFF: Shift lever not in R

-

OK:

On the Techstream screen, each item changes between ON and OFF according to above chart.

Result

Result

Proceed to

OK

A

NG (A750E automatic transmission)

B

NG (A750F automatic transmission)

C

NG (AB60E automatic transmission)

D

NG (AB60F automatic transmission)

E

A

3.

READ VALUE USING TECHSTREAM (MIRROR POSITION SENSOR)

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream ON.

(d) Enter the following menus: Body Electrical / Mirror / Data List.

(e) According to the display on the Techstream, read the Data List.

Mirror

Tester Display

Measurement Item/Display

Normal Condition

Diagnostic Note

RH Mir Position Sensor V

RH side mirror vertical sensor voltage / MIN: 0 V, MAX: 5 V

Within range from 0 to 5 V

-

LH Mir Position Sensor V

LH side mirror vertical sensor voltage / MIN: 0 V, MAX: 5 V

Within range from 0 to 5 V

-

OK:

When mirror control switch is operated to turn mirror upward or downward, voltage changes within range shown in above chart.

Result

Result

Proceed to

Neither mirror operates normally

A

LH side mirror does not operate normally

B

RH side mirror does not operate normally

C

Mirror operates normally

D

A

4.

INSPECT OUTER MIRROR REVERSE GEAR LINK SWITCH


(a) Remove the switch.

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

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

3 - 6

Pressed

Below 1 Ω

Not pressed

10 kΩ or higher

OK

5.

CHECK HARNESS AND CONNECTOR (OUTER MIRROR SWITCH - OUTER MIRROR CONTROL ECU)


(a) Disconnect the M8 ECU connector.

(b) Disconnect the H76 switch connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

H76-3 (E)- Body ground

Always

Below 1 Ω

M8-36 (AR) - H76-6 (B)

Always

Below 1 Ω

M8-36 (AR) - Body ground

Always

10 kΩ or higher

OK

6.

CHECK OUTER MIRROR CONTROL ECU


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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

M8-2 (VC) - M8-3 (E1)

Ignition switch ON

3.5 to 5.5 V

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

M8-3 (E1) - Body ground

Always

Below 1 Ω

OK

7.

CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR LH - OUTER MIRROR CONTROL ECU)


(a) Disconnect the M8 ECU connector.

(b) Disconnect the M5 mirror connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

M5-15 (VC) - M8-2 (VC)

Always

Below 1 Ω

M5-15 (VC) - Body ground

Always

10 kΩ or higher

M5-17 (VSRL) - M8-4 (VSR)

Always

Below 1 Ω

M5-17 (VSRL) - Body ground

Always

10 kΩ or higher

M5-18 (E1) - M8-3 (E1)

Always

Below 1 Ω

M5-18 (E1) - Body ground

Always

10 kΩ or higher

OK

8.

CHECK OUTER MIRROR CONTROL ECU


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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

M8-22 (VC) - M8-23 (E1)

Ignition switch ON

3.5 to 5.5 V

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

M8-23 (E1) - Body ground

Always

Below 1 Ω

OK

9.

CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR RH - OUTER MIRROR CONTROL ECU)


(a) Disconnect the M8 ECU connector.

(b) Disconnect the L6 mirror connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

L6-15 (VC) - M8-22 (VC)

Always

Below 1 Ω

L6-15 (VC) - Body ground

Always

10 kΩ or higher

L6-17 (VSSR) - M8-24 (VSSR)

Always

Below 1 Ω

L6-17 (VSSR) - Body ground

Always

10 kΩ or higher

L6-18 (E1) - M8-23 (E1)

Always

Below 1 Ω

L6-18 (E1) - Body ground

Always

10 kΩ or higher

OK