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DRIVER FRONT RISER AND PEDAL FORWARD SWITCH OPEN - DDM —
Continued
DRIVER SEAT SWITCH
SWITCH MUX WIRE OPEN
SWITCH MUX WIRE SHORT TO VOLTAGE
DRIVER DOOR MODULE
SEAT SWITCH MUX RETURN OPEN
TEST
1
Turn the ignition on.
With the DRBIII , erase DTCs.
Cycle the ignition switch from Off to Run.
Operate the switch indicated by the DRBlll in all positions several times.
With the DRBIII , read DTCs.
Does the DRBIII display the same DTC?
Yes → Go To 2
→ The condition that caused this code to set is not present at this
No
2
Turn the ignition on.
With the DRBIII in Sensors, read the Seat Switch voltage of the switch that had the
DTC.
Select the voltage displayed.
4.4 to 5.1 volts.
Over 5.2 volts
3
Disconnect the Driver Seat Switch connector.
Turn the ignition on.
Measure the voltage of the Switch MUX circuit indicated by the DRBlll and ground.
Is the voltage between 4.4 and 5.1 volts?
Yes → Go To 4
→ Repair the Switch MUX wire for an open.
No
4
Turn the ignition off.
Disconnect the Driver Seat Switch connector.
Measure the resistance of the Seat Switch MUX Return circuit in the switch
connector to ground.
Is the resistance below 5.0 ohms?
Yes → Replace the Driver Seat Switch.
→ Repair the Seat Switch MUX Return for an open.
No
POSSIBLE CAUSES
ACTION
time. Review wiring schematics and inspect related wiring for an
intermittent condition.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1.
Go To 3
Go To 5
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER
1.
Perform POWER SEAT SYSTEM VERIFICATION TEST - VER 1.
827
POWER SEATS
APPLICABILITY
All
All
All
All
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