Home/Lexus/ES/Lexus ES XV60 (2012-2015)/Repair manual/Entertainment Systems/Safety Connect System (Diagnostic Codes & Symptom Tests): O…
Contents Wiring diagrams Section: Entertainment Systems All sections

Safety Connect System (Diagnostic Codes & Symptom Tests): Overview Lexus ES XV60

Entertainment Systems 15 illustrations ~4261 words

DESCRIPTION

This DTC is stored when the DCM (Telematics Transceiver) detects an open or short in the manual (SOS) switch red indicator circuit of the manual (SOS) switch.

The manual (SOS) switch red indicator illuminates for 2 seconds and goes off when the engine switch is turned on (IG). If a malfunction in the safety connect system is detected, the manual (SOS) switch red indicator will illuminate.

However, the manual (SOS) switch red indicator may not illuminate when this DTC is set.

HINT

The manual (SOS) switch red indicator may not operate to indicate another DTC has been set, therefore voice guidance is provided.

DTC No.DTC Detection ConditionTrouble Area
B1570Current for manual (SOS) switch red indicator reaches malfunction criteria for 10 seconds when engine switch is on (IG).Roof console box assembly Wire harness or connector DCM (Telematics Transceiver)

Scheme 319

Scheme 319: WIRING DIAGRAM

Scheme 320

Scheme 320: PROCEDURE
  1. CHECK DTC Turn the engine switch off. Connect the Techstream to the DLC3. Turn the engine switch on (IG) and wait for 10 seconds. Turn the Techstream on. Perform "Health Check" and check for current DTCs. Refer to «HEALTH CHECK [06/2012 - ]»(ref-598480-S17171576802014021400000) . Result Result Proceed to DTC B1570, B1571 and B15C5 are output A DTC B1570 is output (DTC B1571 and B15C5 are not output) B B --> See step 6 A: Go to next step
  2. INSPECT ROOF CONSOLE BOX ASSEMBLY (RED INDICATOR) Disconnect the T11 roof console box assembly connector. Connect 2 dry-cell batteries (1.5 V each) in series. Connect the positive (+) lead to terminal T11-6 (IND1) and the negative (-) lead to terminal T11-9 (GND3) of the roof console box assembly connector. Check if the illumination for the manual (SOS) switch red indicator comes on. OK Red indicator comes on. TEXT IN ILLUSTRATION *a Component without harness connected (Roof Console Box Assembly) NG --> See step 12 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX ASSEMBLY) Disconnect the H101 DCM (Telematics Transceiver) connector. Disconnect the T11 roof console box assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition H101-26 (SIG-) - T11-9 (GND3) Always Below 1 ohms H101-26 (SIG-) - Body ground Always 10 kohms or higher H101-11 (IND1) - T11-6 (IND1) Always Below 1 ohms H101-11 (IND1) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. REPLACE DCM (TELEMATICS TRANSCEIVER) Replace the DCM (Telematics Transceiver). Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . NOTE: The engine switch must be off. Do not swap the DCM (Telematics Transceiver) with one from another vehicle. NEXT: Go to next step
  5. PERFORM PRL UPDATE Perform "PRL UPDATE". Refer to «PRL UPDATE [06/2012 - ]»(ref-598480-S03091248252014021400000) . NEXT --> See step 13
  6. INSPECT ROOF CONSOLE BOX ASSEMBLY (MANUAL (SOS) SWITCH RED INDICATOR CONDITION) Confirm the red indicator status after the engine switch is turned on (IG). Refer to «SYSTEM DESCRIPTION [06/2012 - ]»(ref-598480-S31319946922014021400000) . Result Result Proceed to Red indicator remains off. A Red indicator remains on. B B --> See step 10 A: Go to next step
  7. INSPECT ROOF CONSOLE BOX ASSEMBLY (RED INDICATOR INPUT VOLTAGE) Remove the roof console box assembly but do not disconnect the connectors. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S15520652182014021400000) . Connect the positive lead of a voltmeter to terminal T11-6 (IND1), and the negative lead to terminal T11-9 (GND3). Measure the voltage. Standard 1.0 to 8.5 V for 2 seconds after the engine switch is turned on (IG). 0 V when the engine switch is off. TEXT IN ILLUSTRATION *a Component with harness connected (Roof Console Box Assembly) NG --> See step 8 OK --> See step 12
  8. INSPECT DCM (TELEMATICS TRANSCEIVER) (RED INDICATOR OUTPUT VOLTAGE) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . Connect the positive lead of a voltmeter to terminal H101-11 (IND1), and the negative lead to body ground. Measure the voltage. Standard 1.0 to 8.5 V for 2 seconds after the engine switch is turned on (IG). 0 V when the engine switch is off. TEXT IN ILLUSTRATION *a Component with harness connected (DCM (Telematics Transceiver)) NG --> See step 9 OK --> REPAIR OR REPLACE HARNESS OR CONNECTOR
  9. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - BODY GROUND) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition H101-11 (IND1) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *a Component with harness connected (DCM (Telematics Transceiver)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  10. REPLACE DCM (TELEMATICS TRANSCEIVER) Replace the DCM (Telematics Transceiver). Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . NOTE: The engine switch must be off. Do not swap the DCM (Telematics Transceiver) with one from another vehicle. NEXT: Go to next step
  11. PERFORM PRL UPDATE Perform "PRL UPDATE". Refer to «PRL UPDATE [06/2012 - ]»(ref-598480-S03091248252014021400000) . NEXT --> See step 13
  12. REPLACE ROOF CONSOLE BOX ASSEMBLY. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S15520652182014021400000)
  13. PERFORM DCM ACTIVATION. Refer to «DCM ACTIVATION [06/2012 - ]»(ref-598480-S00971392582014021400000)

This DTC is set when the DCM (Telematics Transceiver) detects an open or short in the manual (SOS) switch green indicator circuit of the manual (SOS) switch. The manual (SOS) switch green indicator illuminates after the engine switch is turned on (IG).

If the safety connect system is not active, the manual (SOS) switch green indicator will turn off.

If the safety connect system is active, the manual (SOS) switch green indicator will blink while communicating with the call center.

DTC No.DTC Detection ConditionTrouble Area
B1571Current for manual (SOS) switch green indicator reaches malfunction criteria for 10 seconds when engine switch is on (IG).Roof console box assembly Wire harness or connector DCM (Telematics Transceiver)

Scheme 321

Scheme 321: WIRING DIAGRAM

Scheme 322

Scheme 322: PROCEDURE
  1. CHECK DTC Turn the engine switch off. Connect the Techstream to the DLC3. Turn the engine switch on (IG) and wait for 10 seconds. Turn the Techstream on. Perform "Health Check" and check for current DTCs. Refer to «HEALTH CHECK [06/2012 - ]»(ref-598480-S17171576802014021400000) . Result Result Proceed to DTC B1570, B1571 and B15C5 are output A DTC B1571 is output (DTC B1570 and B15C5 are not output) B B --> See step 6 A: Go to next step
  2. INSPECT ROOF CONSOLE BOX ASSEMBLY (GREEN INDICATOR) Disconnect the T11 roof console box assembly connector. Connect 2 dry-cell batteries (1.5 V each) in series. Connect the positive (+) lead to terminal T11-7 (IND2) and the negative (-) lead to terminal T11-9 (GND3) of the roof console box assembly connector. Check if the illumination for the manual (SOS) switch green indicator comes on. OK Green indicator comes on. TEXT IN ILLUSTRATION *a Component without harness connected (Roof Console Box Assembly) NG --> See step 12 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX ASSEMBLY) Disconnect the H101 DCM (Telematics Transceiver) connector. Disconnect the T11 roof console box assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition H101-26 (SIG-) - T11-9 (GND3) Always Below 1 ohms H101-26 (SIG-) - Body ground Always 10 kohms or higher H101-12 (IND2) - T11-7 (IND2) Always Below 1 ohms H101-12 (IND2) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. REPLACE DCM (TELEMATICS TRANSCEIVER) Replace the DCM (Telematics Transceiver). Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . NOTE: The engine switch must be off. Do not swap the DCM (Telematics Transceiver) with one from another vehicle. NEXT: Go to next step
  5. PERFORM PRL UPDATE Perform "PRL UPDATE". Refer to «PRL UPDATE [06/2012 - ]»(ref-598480-S03091248252014021400000) . NEXT --> See step 13
  6. INSPECT ROOF CONSOLE BOX ASSEMBLY (MANUAL (SOS) SWITCH GREEN INDICATOR CONDITION) Confirm the green indicator status after the engine switch is turned on (IG). Refer to «SYSTEM DESCRIPTION [06/2012 - ]»(ref-598480-S31319946922014021400000) . Result Result Proceed to Green indicator remains off. A Green indicator remains on. B B --> See step 10 A: Go to next step
  7. INSPECT ROOF CONSOLE BOX ASSEMBLY (GREEN INDICATOR INPUT VOLTAGE) Remove the roof console box assembly but do not disconnect the connectors. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S15520652182014021400000) . Connect the positive lead of a voltmeter to terminal T11-7 (IND2), and the negative lead to terminal T11-9 (GND3). Measure the voltage. Standard 1.0 to 8.5 V for 2 seconds after the engine switch is turned on (IG) and red indicator has turned off. 0 V when the engine switch is off. TEXT IN ILLUSTRATION *a Component with harness connected (Roof Console Box Assembly) NG --> See step 8 OK --> See step 12
  8. INSPECT DCM (TELEMATICS TRANSCEIVER) (GREEN INDICATOR OUTPUT VOLTAGE) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . Connect the positive lead of a voltmeter to terminal H101-12 (IND2), and the negative lead to body ground. Measure the voltage. Standard 1.0 to 8.5 V for 2 seconds after the engine switch is turned on (IG) and red indicator has turned off. 0 V when the engine switch is off. TEXT IN ILLUSTRATION *a Component with harness connected (DCM (Telematics Transceiver)) NG --> See step 9 OK --> REPAIR OR REPLACE HARNESS OR CONNECTOR
  9. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - BODY GROUND) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition H101-12 (IND2) - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *a Component with harness connected (DCM (Telematics Transceiver)) NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  10. REPLACE DCM (TELEMATICS TRANSCEIVER) Replace the DCM (Telematics Transceiver). Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . NOTE: The engine switch must be off. Do not swap the DCM (Telematics Transceiver) with one from another vehicle. NEXT: Go to next step
  11. PERFORM PRL UPDATE Perform "PRL UPDATE". Refer to «PRL UPDATE [06/2012 - ]»(ref-598480-S03091248252014021400000) . NEXT --> See step 13
  12. REPLACE ROOF CONSOLE BOX ASSEMBLY. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S15520652182014021400000)
  13. PERFORM DCM ACTIVATION. Refer to «DCM ACTIVATION [06/2012 - ]»(ref-598480-S00971392582014021400000)

This DTC is set when the DCM (Telematics Transceiver) detects a malfunction in the telephone microphone assembly circuit.

DTC No.DTC Detection ConditionTrouble Area
B1572Current of MCVD reaches malfunction criteria for 10 seconds while engine switch is on (IG).Wire harness or connector Telephone microphone assembly Roof console box assembly DCM (Telematics Transceiver)

Scheme 323

Scheme 323: WIRING DIAGRAM

Scheme 324

Scheme 324: PROCEDURE
  1. CHECK DTC Turn the engine switch off. Connect the Techstream to the DLC3. Turn the engine switch on (IG) and wait for 10 seconds. Turn the Techstream on. Perform "Health Check" and check for current DTCs. Refer to «HEALTH CHECK [06/2012 - ]»(ref-598480-S17171576802014021400000) . Result Result Proceed to DTC B1572 is output. A DTC B1572 is not output. B B --> See step 8 A: Go to next step
  2. INSPECT ROOF CONSOLE BOX ASSEMBLY (TELEPHONE MICROPHONE POWER SOURCE) Remove the roof console box assembly but do not disconnect the connectors. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S15520652182014021400000) . Measure the voltage and resistance according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition T11-4 (MACC) - Body ground Engine switch on (ACC) 4 to 6 V Standard Resistance Tester Connection Condition Specified Condition T11-2 (MCO-) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Component with harness connected (Roof Console Box Assembly) NG --> See step 5 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX ASSEMBLY) Disconnect the H101 DCM (Telematics Transceiver) connector. Disconnect the T11 roof console box assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition H101-34 (MCI+) - T11-3 (MCO+) Always Below 1 ohms H101-35 (MCI-) - T11-2 (MCO-) Always Below 1 ohms H101-34 (MCI+) - Body ground Always 10 kohms or higher H101-35 (MCI-) - Body ground Always 10 kohms or higher H101-32 (SGND) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. REPLACE TELEPHONE MICROPHONE ASSEMBLY Replace the telephone microphone assembly with a normal one and check if the same problem occurs again. Refer to «REMOVAL [06/2012 - ]»(ref-598631-S41021206762014021400000) . OK The system returns to normal. NG --> See step 9 OK --> END
  5. INSPECT DCM (TELEMATICS TRANSCEIVER) (TELEPHONE MICROPHONE POWER SOURCE) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . Measure the voltage and resistance according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition H101-33 (MCVD) - Body ground Engine switch on (ACC) 4 to 6 V Standard Resistance Tester Connection Condition Specified Condition H101-35 (MCI-) - Body ground Always Below 1 ohms TEXT IN ILLUSTRATION *a Component with harness connected (DCM (Telematics Transceiver)) NG --> See step 6 OK --> REPAIR OR REPLACE HARNESS OR CONNECTOR
  6. REPLACE DCM (TELEMATICS TRANSCEIVER) Replace the DCM (Telematics Transceiver). Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . NOTE: The engine switch must be off. Do not replace the DCM (telematics transceiver) with one from another vehicle. NEXT: Go to next step
  7. PERFORM PRL UPDATE Perform "PRL UPDATE". Refer to «PRL UPDATE [06/2012 - ]»(ref-598480-S03091248252014021400000) . NEXT --> See step 10
  8. CHECK FOR INTERMITTENT PROBLEMS. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [06/2012 - ]»(ref-598449-S34618498472014021400000)
  9. REPLACE ROOF CONSOLE BOX ASSEMBLY. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S15520652182014021400000)
  10. PERFORM DCM ACTIVATION. Refer to «DCM ACTIVATION [06/2012 - ]»(ref-598480-S00971392582014021400000)

This DTC is set when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna assembly circuit. The DCM (Telematics Transceiver) oscillates and receives 824 - 894 MHz or 1850 - 1990 MHz radio-frequency through the telephone and GPS antenna assembly.

DTC No.DTC Detection ConditionTrouble Area
B1573Telephone and GPS antenna assembly impedance is lower than malfunction criterion for 10 seconds when engine switch is on (IG). (Short circuit)DCM (Telematics Transceiver) Telephone and GPS antenna assembly Wire harness or connector (Telephone and GPS antenna cord)
B15CBTelephone and GPS antenna assembly impedance is higher than malfunction criterion for 10 seconds when engine switch is on (IG). (Open circuit)

HINT

Refer to "PARTS LOCATION" for the installation location of telephone and GPS antenna cord. Refer to PARTS LOCATION [06/2012 - ] .

Scheme 325

Scheme 325: WIRING DIAGRAM

Scheme 326

Scheme 326: PROCEDURE

Scheme 327

Scheme 327
  1. CHECK DTC Turn the engine switch off. Connect the Techstream to the DLC3. Turn the engine switch on (IG) and wait for 10 seconds. Turn the Techstream on. Perform "Health Check" and check for current DTCs. Refer to «HEALTH CHECK [06/2012 - ]»(ref-598480-S17171576802014021400000) . Result Result Proceed to DTC B1573 or B15CB is output. A DTC B1573 or B15CB is not output. B B --> See step 8 A: Go to next step
  2. INSPECT TELEPHONE AND GPS ANTENNA ASSEMBLY Disconnect the telephone and GPS antenna assembly connector from the telephone and GPS antenna cord (No. 3 antenna cord sub-assembly). Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition 3 - 3a Always 4 to 11 kohms TEXT IN ILLUSTRATION *a Component with harness connected (Telephone and GPS Antenna Assembly) NG --> See step 9 OK: Go to next step
  3. INSPECT TELEPHONE AND GPS ANTENNA CORD (NO. 3 ANTENNA CORD SUB-ASSEMBLY) Disconnect the telephone and GPS antenna cord (No. 3 antenna cord sub-assembly) connector from the telephone and GPS antenna cord (No. 2 floor wire). Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition A-3 - B-3 Always Below 1 ohms A-3a - B-1a Always Below 1 ohms A-3 - Body ground Always 10 kohms or higher A-3a - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *a Telephone and GPS antenna cord (No. 3 Antenna Cord Sub-assembly) NG --> See step 11 OK: Go to next step
  4. INSPECT TELEPHONE AND GPS ANTENNA CORD (NO. 2 FLOOR WIRE) Disconnect the telephone and GPS antenna cord (No. 2 floor wire) connector from the DCM (Telematics Transceiver). Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition Q31-3 - Q29-1 Always Below 1 ohms Q31-3a - Q29-1a Always Below 1 ohms Q31-3 - Body ground Always 10 kohms or higher Q31-3a - Body ground Always 10 kohms or higher TEXT IN ILLUSTRATION *a Telephone and GPS antenna cord (No. 2 Floor Wire) NG --> REPLACE TELEPHONE AND GPS ANTENNA CORD (NO. 2 FLOOR WIRE) OK: Go to next step
  5. REPLACE TELEPHONE AND GPS ANTENNA ASSEMBLY Replace the telephone and GPS antenna assembly with a known good one and check if the same problem occurs again. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S18469965012014021400000) . OK The system returns to normal. NG --> See step 6 OK --> END
  6. REPLACE DCM (TELEMATICS TRANSCEIVER) Replace the DCM (Telematics Transceiver). Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . NOTE: The engine switch must be off. Do not replace the DCM (telematics transceiver) with one from another vehicle. NEXT: Go to next step
  7. PERFORM PRL UPDATE Perform "PRL UPDATE". Refer to «PRL UPDATE [06/2012 - ]»(ref-598480-S03091248252014021400000) . NEXT --> See step 10
  8. CHECK FOR INTERMITTENT PROBLEMS. Refer to «HOW TO PROCEED WITH TROUBLESHOOTING [06/2012 - ]»(ref-598449-S34618498472014021400000)
  9. REPLACE TELEPHONE AND GPS ANTENNA ASSEMBLY. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S18469965012014021400000)
  10. PERFORM DCM ACTIVATION. Refer to «DCM ACTIVATION [06/2012 - ]»(ref-598480-S00971392582014021400000)
  11. REPLACE TELEPHONE AND GPS ANTENNA CORD (NO. 3 ANTENNA CORD SUB-ASSEMBLY). Refer to «REMOVAL [06/2012 - ]»(ref-598631-S19499482932014021400000)

If GPS satellite signals cannot be acquired for 10 consecutive miles, this DTC is set.

DTC No.DTC Detection ConditionTrouble Area
B1583GPS signal is not received for 10 milesTelephone and GPS antenna assembly DCM (Telematics Transceiver)

This DTC is set when an error in the EEPROM or PLL IC is detected on the DCM (Telematics Transceiver) self-check. The EEPROM (Electrically Erasable Programmable Read-Only Memory) stores the various data to operate the safety connect system. The PLL IC (Phase-Locked Loop Integrated Circuit) oscillates telephone radio frequency.

DTC No.DTC Detection ConditionTrouble Area
B15A8Error in EEPROM or PLL IC is detected.DCM (Telematics Transceiver)

This DTC is set when the DCM (Telematics Transceiver) detects an open or a short in the telephone and GPS antenna circuit. The DCM (Telematics Transceiver) receives 1574.42 - 1576.42 MHz radio frequency signals from satellites through the telephone and GPS antenna assembly. The cable is a 50 ohms coaxial cable.

DTC No.DTC Detection ConditionTrouble Area
B15C0Current for telephone and GPS antenna assembly is lower (ohms) malfunction criterion for 10 seconds when engine switch is on (IG). (Short circuit)DCM (Telematics Transceiver) Wire harness or connector (Telephone and GPS antenna cord) Telephone and GPS antenna assembly
B15C1Current for telephone and GPS antenna assembly is higher (ohms) malfunction criterion for 10 seconds when engine switch is on (IG). (Open circuit)

HINT

Refer to "PARTS LOCATION" for the installation location of telephone and GPS antenna cord. Refer to PARTS LOCATION [06/2012 - ] .

Scheme 328

Scheme 328: WIRING DIAGRAM

If the DCM (Telematics Transceiver) detects an error in communication between the DCM (Telematics Transceiver) and the airbag sensor assembly as a result of the DCM (Telematics Transceiver) self check, this DTC will be set.

DTC No.DTC Detection ConditionTrouble Area
B15C4DCM (Telematics Transceiver) detects an error in signals from airbag sensor assembly when engine switch is on (IG).Airbag system Wire harness or connector Airbag sensor assembly DCM (Telematics Transceiver)

Scheme 329

Scheme 329: WIRING DIAGRAM

This DTC is set when the DCM (Telematics Transceiver) detects an open or short circuit in the manual (SOS) switch.

DTC No.DTC Detection ConditionTrouble Area
B15C5Open or short circuit in manual (SOS) switch is detected.DCM (Telematics Transceiver) Roof console box assembly Wire harness or connector

Scheme 330

Scheme 330: WIRING DIAGRAM

Scheme 331

Scheme 331: PROCEDURE
  1. CHECK DTC Turn the engine switch off. Connect the Techstream to the DLC3. Turn the engine switch on (IG) and wait for 10 seconds. Turn the Techstream on. Perform "Health Check" and check for current DTCs. Refer to «HEALTH CHECK [06/2012 - ]»(ref-598480-S17171576802014021400000) . Result Result Proceed to DTC B1570, B1571 and B15C5 are output A DTC B15C5 is output (DTC B1570 and B1571 are not output) B B --> See step 6 A: Go to next step
  2. INSPECT ROOF CONSOLE BOX ASSEMBLY (MANUAL (SOS) SWITCH) Disconnect the T11 roof console box assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition T11-13 (SIG1) - T11-9 (GND3) Manual (SOS) switch not pressed 410 to 414 ohms T11-13 (SIG1) - T11-9 (GND3) Manual (SOS) switch pressed 81 to 83 ohms TEXT IN ILLUSTRATION *a Component without harness connected (Roof Console Box Assembly) NG --> See step 16 OK: Go to next step
  3. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX ASSEMBLY) Disconnect the H101 DCM (Telematics Transceiver) connector. Disconnect the T11 roof console box assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition H101-26 (SIG-) - T11-9 (GND3) Always Below 1 ohms H101-26 (SIG-) - Body ground Always 10 kohms or higher H101-27 (SIG1) - T11-13 (SIG1) Always Below 1 ohms H101-27 (SIG1) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  4. REPLACE DCM (TELEMATICS TRANSCEIVER) Replace the DCM (Telematics Transceiver). Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . NOTE: The engine switch must be off. Do not swap the DCM (Telematics Transceiver) with one from another vehicle. NEXT: Go to next step
  5. PERFORM PRL UPDATE Perform "PRL UPDATE". Refer to «PRL UPDATE [06/2012 - ]»(ref-598480-S03091248252014021400000) . NEXT --> See step 15
  6. READ VALUE USING TECHSTREAM (MANUAL (SOS) SWITCH OPERATION) Turn the engine switch off. Connect the Techstream to the DLC3. Turn the engine switch on (IG) and wait for 10 seconds. Turn the Techstream on. Enter the following menus: Body Electrical / Telematics / Data List. Check that the manual (SOS) switch condition observed on the Techstream changes according to manual (SOS) switch operation. TELEMATICS Tester Display Measurement Item/Range Normal Condition Diagnostic Note Emergency Switch Manual (SOS) switch / OFF or ON OFF: Manual (SOS) switch not pressed - ON: Manual (SOS) switch pressed* - *: Pressing the manual (SOS) switch will connect to the call center. Result Result Proceed to Techstream display changes when turning the manual (SOS) switch ON/OFF. A Techstream display does not change when turning the manual (SOS) switch ON/OFF. B B --> See step 8 A: Go to next step
  7. REPLACE DCM (TELEMATICS TRANSCEIVER) Replace the DCM (Telematics Transceiver). Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . NOTE: The engine switch must be off. Do not swap the DCM (Telematics Transceiver) with one from another vehicle. NEXT --> See step 15
  8. INSPECT DCM (TELEMATICS TRANSCEIVER) (SIG1 VOLTAGE) Remove the DCM (Telematics Transceiver) but do not disconnect the connectors. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . Measure the voltage according to the value(s) in the table below. Standard Voltage Tester Connection Condition Specified Condition H101-27 (SIG1) - H101-26 (SIG-) Engine switch on (IG), manual (SOS) switch not pressed 1.5 to 2.0 V TEXT IN ILLUSTRATION *a Component with harness connected (DCM (Telematics Transceiver)) NG --> See step 11 OK: Go to next step
  9. REPLACE DCM (TELEMATICS TRANSCEIVER) Replace the DCM (Telematics Transceiver). Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . NOTE: The engine switch must be off. Do not swap the DCM (Telematics Transceiver) with one from another vehicle. NEXT: Go to next step
  10. PERFORM PRL UPDATE Perform "PRL UPDATE". Refer to «PRL UPDATE [06/2012 - ]»(ref-598480-S03091248252014021400000) . NEXT --> See step 15
  11. INSPECT ROOF CONSOLE BOX ASSEMBLY (MANUAL (SOS) SWITCH) Disconnect the T11 roof console box assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition T11-13 (SIG1) - T11-9 (GND3) Manual (SOS) switch not pressed 410 to 414 ohms T11-13 (SIG1) - T11-9 (GND3) Manual (SOS) switch pressed 81 to 83 ohms TEXT IN ILLUSTRATION *a Component without harness connected (Roof Console Box Assembly) NG --> See step 16 OK: Go to next step
  12. CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) - ROOF CONSOLE BOX ASSEMBLY) Disconnect the H101 DCM (Telematics Transceiver) connector. Disconnect the T11 roof console box assembly connector. Measure the resistance according to the value(s) in the table below. Standard Resistance Tester Connection Condition Specified Condition H101-27 (SIG1) - T11-13 (SIG1) Always Below 1 ohms H101-27 (SIG1) - Body ground Always 10 kohms or higher NG --> REPAIR OR REPLACE HARNESS OR CONNECTOR OK: Go to next step
  13. REPLACE DCM (TELEMATICS TRANSCEIVER) Replace the DCM (Telematics Transceiver). Refer to «REMOVAL [06/2012 - ]»(ref-598662-S04258518862014021400000) . NOTE: The engine switch must be off. Do not swap the DCM (Telematics Transceiver) with one from another vehicle. NEXT: Go to next step
  14. PERFORM PRL UPDATE Perform "PRL UPDATE". Refer to «PRL UPDATE [06/2012 - ]»(ref-598480-S03091248252014021400000) . NEXT --> See step 15
  15. PERFORM DCM ACTIVATION. Refer to «DCM ACTIVATION [06/2012 - ]»(ref-598480-S00971392582014021400000)
  16. REPLACE ROOF CONSOLE BOX ASSEMBLY. Refer to «REMOVAL [06/2012 - ]»(ref-598662-S15520652182014021400000)

This DTC is set when the DCM (Telematics Transceiver) detects one of the following

  1. Open or short in the BUB (Back-Up Battery) circuit.
  2. The BUB (Back-Up Battery) voltage drops or the BUB (Back-Up Battery) malfunctions.
  3. The BUB (Back-Up Battery) temperature is (temporarily) high.
DTC No.DTC Detection ConditionTrouble Area
B15CCBUB (Back-Up Battery) malfunctionWire harness or connector BUB (Back-Up Battery) DCM (Telematics Transceiver)

Scheme 332

Scheme 332: WIRING DIAGRAM

This DTC is set when the DCM (Telematics Transceiver) detects either of the following conditions.

  1. The BUB (Back-Up Battery) charge level becomes less than the criteria.
  2. The BUB (Back-Up Battery) was used for Automatic Collision Notification (ACN).

When this DTC is set, the BUB (Back-Up Battery) must be replaced.

BUB (Back-Up Battery) used up DTC B15EC is not reported in deactive mode.

DTC No.DTC Detection ConditionTrouble Area
B15ECBUB (Back-Up Battery) is used up.BUB (Back-Up Battery)

This is the power source circuit to operate the DCM (Telematics Transceiver).

Scheme 333

Scheme 333: WIRING DIAGRAM

After the engine switch on (IG), the DCM (Telematics Transceiver) will enter into a self check mode. The manual (SOS) switch red indicator will illuminate for 2 seconds and turn off followed by the manual (SOS) switch green indicator illuminating and remaining on under normal operation.

If both indicators illuminate and begin to blink simultaneously, this indicates that the DCM (Telematics Transceiver) is in "Shipping Mode." If no DTCs are present, both the green and red indicators will turn off after blinking. The activation sequence must be performed.

HINT

In shipping mode, the system will attempt to activate to shell mode automatically each time engine switch on (IG).

If the red and green indicators fail to illuminate after the engine switch on (IG), the vehicle does not recognize the DCM (Telematics Transceiver). The DCM (Telematics Transceiver) connectors may have been disconnected or the DCM (Telematics Transceiver) is malfunctioning.

After engine switch on (IG), the DCM (Telematics Transceiver) will enter into self check mode. The manual (SOS) switch red indicator will illuminate for 2 seconds and turn off followed by the manual (SOS) switch green indicator illuminating and remaining on under normal operation. If neither the red nor green indicators remain on, verification of the subscription should be performed.

This means that the DCM (Telematics Transceiver) has detected a malfunction in the safety connect system and set a DTC.

This may occur when the intensity of telephone radio frequency was very weak, PRL updates are required, or the safety connect system has a malfunction and a DTC is set.