Lexus ES manuals

Lexus ES: Lost Communication with Haptic Device (B1323,B1324,B1326)

DESCRIPTION

These DTCs are stored when communication between the radio receiver assembly and remote touch (remote operation controller assembly), combination meter assembly or clock assembly is not possible.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B1323

Lost Communication with Haptic Device

CAN reception error

  • Local bus communication line
  • Remote touch (remote operation controller assembly) power source circuit
  • Remote touch (remote operation controller assembly)
  • Radio receiver assembly
  • Harness or connector
  • No. 17 junction connector

B1324

Lost Communication with Meter

CAN reception error

  • Local bus communication line
  • Combination meter assembly power source circuit
  • Combination meter assembly
  • Radio receiver assembly
  • Harness or connector
  • No. 17 junction connector

B1326

Lost Communication with Clock Device (Local-CAN)

CAN reception error

  • Local bus communication line
  • Clock assembly power source circuit
  • Clock assembly
  • Radio receiver assembly
  • Harness or connector
  • No. 17 junction connector

HINT:

The radio receiver assembly is the master unit.

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

    Click here

  • When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The radio receiver assembly may not operate normally.
  • Inspect the fuses for circuits related to this system before performing the following procedure.

PROCEDURE

1.

CHECK DTC

(a) Check for DTCs.

Body Electrical > Navigation System > Trouble Codes

Result

Proceed to

DTC B1323, B1324 and B1326 are not output

A

DTC B1323, B1324 and B1326 are output

B

DTC B1323 is output

C

DTC B1324 is output

D

DTC B1326 is output

E

A

USE SIMULATION METHOD TO CHECK

C

GO TO STEP 15

D

GO TO STEP 17

E

GO TO STEP 19

B

2.

CHECK LOCAL BUS

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G96-2 - G96-13

Cable disconnected from negative (-) auxiliary battery terminal

54 to 69 Ω

Result

Proceed to

OK

A

NG (Below 54 Ω)

B

NG (70 Ω or higher)

C

A

USE SIMULATION METHOD TO CHECK

C

GO TO STEP 11

B

3.

CHECK HARNESS AND CONNECTOR (NO. 17 JUNCTION CONNECTOR - RADIO RECEIVER ASSEMBLY)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G96 No. 17 junction connector.

(c) Connect the G4 radio receiver assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G96-2 - G96-13

Cable disconnected from negative (-) auxiliary battery terminal

108 to 132 Ω

NG

GO TO STEP 10

OK

4.

CHECK HARNESS AND CONNECTOR (NO. 17 JUNCTION CONNECTOR - REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY))

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G96 No. 17 junction connector.

(c) Connect the G56 remote touch (remote operation controller assembly) connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G96-6 - G96-17

Cable disconnected from negative (-) auxiliary battery terminal

108 to 132 Ω

NG

GO TO STEP 9

OK

5.

CHECK HARNESS AND CONNECTOR (NO. 17 JUNCTION CONNECTOR - COMBINATION METER ASSEMBLY)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G96 No. 17 junction connector.

(c) Connect the G17 combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G96-3 - G96-14

Cable disconnected from negative (-) auxiliary battery terminal

200 Ω or higher

NG

GO TO STEP 8

OK

6.

CHECK HARNESS AND CONNECTOR (NO. 17 JUNCTION CONNECTOR - CLOCK ASSEMBLY)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G96 No. 17 junction connector.

(c) Connect the G44 clock assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G96-5 - G96-16

Cable disconnected from negative (-) auxiliary battery terminal

200 Ω or higher

OK

REPLACE NO. 17 JUNCTION CONNECTOR

NG

7.

CHECK HARNESS AND CONNECTOR (CLOCK ASSEMBLY - NO. 17 JUNCTION CONNECTOR)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G44 clock assembly connector.

(c) Connect the G96 No. 17 junction connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G44-5 (TX+1) - G44-6 (TX-1)

Cable disconnected from negative (-) auxiliary battery terminal

54 to 69 Ω

OK

REPLACE CLOCK ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NO. 17 JUNCTION CONNECTOR)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G17 combination meter assembly connector.

(c) Connect the G96 No. 17 junction connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G17-8 (TX+) - G17-7 (TX-)

Cable disconnected from negative (-) auxiliary battery terminal

54 to 69 Ω

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

9.

CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) - NO. 17 JUNCTION CONNECTOR)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G56 remote touch (remote operation controller assembly) connector.

(c) Connect the G96 No. 17 junction connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G56-9 (MO+) - G56-8 (MO-)

Cable disconnected from negative (-) auxiliary battery terminal

108 to 132 Ω

OK

REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

10.

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 17 JUNCTION CONNECTOR)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G4 radio receiver assembly connector.

(c) Connect the G96 No. 17 junction connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G4-5 (CNH1) - G4-6 (CNL1)

Cable disconnected from negative (-) auxiliary battery terminal

108 to 132 Ω

OK

REPLACE RADIO RECEIVER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

11.

CHECK HARNESS AND CONNECTOR (NO. 17 JUNCTION CONNECTOR - RADIO RECEIVER ASSEMBLY)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G96 No. 17 junction connector.

(c) Connect the G4 radio receiver assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G96-2 - G96-13

Cable disconnected from negative (-) auxiliary battery terminal

108 to 132 Ω

NG

GO TO STEP 14

OK

12.

CHECK HARNESS AND CONNECTOR (NO. 17 JUNCTION CONNECTOR - REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY))

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G96 No. 17 junction connector.

(c) Connect the G56 remote touch (remote operation controller assembly) connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G96-6 - G96-17

Cable disconnected from negative (-) auxiliary battery terminal

108 to 132 Ω

OK

REPLACE NO. 17 JUNCTION CONNECTOR

NG

13.

CHECK HARNESS AND CONNECTOR (NO. 17 JUNCTION CONNECTOR - REMOTE TOUCREMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) - NO. 17 JUNCTION CONNECTOR)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G56 remote touch (remote operation controller assembly) connector.

(c) Connect the G96 No. 17 junction connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G56-9 (MO+) - G56-8 (MO-)

Cable disconnected from negative (-) auxiliary battery terminal

108 to 132 Ω

OK

REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

14.

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 17 JUNCTION CONNECTOR)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G4 radio receiver assembly connector.

(c) Connect the G96 No. 17 junction connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G4-5 (CNH1) - G4-6 (CNL1)

Cable disconnected from negative (-) auxiliary battery terminal

108 to 132 Ω

OK

REPLACE RADIO RECEIVER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

15.

CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) POWER SOURCE)

(a) Disconnect the G56 remote touch (remote operation controller assembly) connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G56-10 (GND) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

G56-1 (+B) - Body ground

Power switch off

11 to 14 V

G56-6 (ACC) - Body ground

Power switch on (ACC)

11 to 14 V

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

16.

CHECK HARNESS AND CONNECTOR (REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) - NO. 17 JUNCTION CONNECTOR)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G56 remote touch (remote operation controller assembly) connector.

(c) Connect the G96 No. 17 junction connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G56-9 (MO+) - G56-8 (MO-)

Cable disconnected from negative (-) auxiliary battery terminal

108 to 132 Ω

OK

REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

17.

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY POWER SOURCE)

(a) Disconnect the G17 combination meter assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G17-31 (ES) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

G17-22 (B) - Body ground

Power switch off

11 to 14 V

G17-21 (IG+) - Body ground

Power switch on (IG)

11 to 14 V

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

18.

CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - NO. 17 JUNCTION CONNECTOR)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G17 combination meter assembly connector.

(c) Connect the G96 No. 17 junction connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G17-8 (TX+) - G17-7 (TX-)

Cable disconnected from negative (-) auxiliary battery terminal

54 to 69 Ω

OK

REPLACE COMBINATION METER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

19.

CHECK HARNESS AND CONNECTOR (CLOCK ASSEMBLY POWER SOURCE)

(a) Disconnect the G44 clock assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G44-7 (E) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

G44-1 (B) - Body ground

Power switch off

11 to 14 V

G44-2 (ACC) - Body ground

Power switch on (ACC)

11 to 14 V

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

20.

CHECK HARNESS AND CONNECTOR (CLOCK ASSEMBLY - NO. 17 JUNCTION CONNECTOR)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

(b) Disconnect the G44 clock assembly connector.

(c) Connect the G96 No. 17 junction connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G44-5 (TX+1) - G44-6 (TX-1)

Cable disconnected from negative (-) auxiliary battery terminal

54 to 69 Ω

OK

REPLACE CLOCK ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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