DESCRIPTION
When the light control switch is turned to the tail or head position, this circuit sends an illumination signal to the wireless charger main switch (mobile wireless charger switch). Based on this signal, the wireless charger main switch (mobile wireless charger switch) is illuminated.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (ILLUMINATION SIGNAL) |
(a) Disconnect the M7 wireless charger main switch (mobile wireless charger switch) connector.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
M7-10 (ILL+) - Body ground |
Light control switch in tail or head position |
11 to 14 V |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (WIRELESS CHARGER MAIN SWITCH - BODY GROUND) |
(a) Disconnect the M7 wireless charger main switch (mobile wireless charger switch) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
M7-9 (ILL-) - Body ground |
Always |
Below 1 Ω |
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Engine Immobiliser System Malfunction (B2799,B279986)
DESCRIPTION
This DTC is stored when one of the following occurs: 1) the ECM detects errors
in its own communication with the transponder key ECU assembly; 2) the ECM detects
errors in the communication lines; or 3) the ECU communication ID between the transponder
key ECU assembly and ECM is d ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Transmitting ECU (Transmitter)
Receiving ECU (Receiver)
Signal
Line
Main body ECU
(Multiplex Network Body ECU)
Combination Meter Assembly
Wireless door lock hazard warnin ...
OnStar Overview
Voice Command Button
Blue OnStar Button
Red Emergency Button
This vehicle may be equipped with a
comprehensive, in-vehicle system
that can connect to an OnStar
Advisor for Emergency, Security,
Navigation, Connections, and
Diagnostics Services. OnStar
services may require a paid servi ...