DTC DETECTION LOGIC
| DTC No. |
CONSULT screen terms (Trouble diagnosis content) | DTC detection condition | |
|---|---|---|---|
| B2796 |
FR SW COMM ERROR (Front switch communication error) |
Diagnosis condition | When ignition switch is ON. |
| Signal (terminal) | - | ||
| Threshold | - | ||
| Diagnosis delay time | 2 seconds or more | ||
POSSIBLE CAUSE
A/C switch assembly
A/C auto amp.
Harness and connector (Communication line is open or shorted)
FAIL-SAFE
—
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON.
Select “Self Diagnostic Result” mode of “HVAC”.
Check DTC.
Is DTC detected?
YES>>Refer to DTC Diagnosis Procedure.
NO>>Inspection End.
CHECK COMMUNICATION SIGNAL CIRCUIT (A/C AUTO AMP. → A/C SWITCH ASSEMBLY) FOR OPEN
Ignition switch OFF.
Disconnect A/C switch assembly connector and A/C auto amp. connector.
Check continuity between A/C switch assembly harness connector and A/C auto amp. harness connector.
| A/C switch assembly | A/C auto amp. | Continuity | ||
|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | |
| M142 | 12 | M50 | 24 | Yes |
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair harness or connector.
CHECK COMMUNICATION SIGNAL CIRCUIT (A/C AUTO AMP. → A/C SWITCH ASSEMBLY) FOR SHORT
Check continuity between A/C switch assembly harness connector and ground.
| A/C switch assembly | — | Continuity | ||
|---|---|---|---|---|
| Connector | Terminal | |||
| M142 | 12 | Ground | No | |
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair harness or connector.
CHECK COMMUNICATION SIGNAL CIRCUIT (A/C SWITCH ASSEMBLY → A/C AUTO AMP.) FOR OPEN
Check continuity between A/C switch assembly harness connector and A/C auto amp. harness connector.
| A/C switch assembly | A/C auto amp. | Continuity | ||
|---|---|---|---|---|
| Connector | Terminal | Connector | Terminal | |
| M142 | 11 | M50 | 4 | Yes |
Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair harness or connector.
CHECK COMMUNICATION SIGNAL CIRCUIT (A/C SWITCH ASSEMBLY → A/C AUTO AMP.) FOR SHORT
Check continuity between A/C switch assembly harness connector and ground.
| A/C switch assembly | — | Continuity | ||
|---|---|---|---|---|
| Connector | Terminal | |||
| M142 | 11 | Ground | No | |
Is the inspection result normal?
YES>>Replace A/C auto amp. Refer to Removal and Installation.
NO>>Repair harness or connector.
B2667 Pass Sunload Sensor
B27b0 A/c Auto Amp.
Driver’s side
The knee air bag is located in the knee bolster, on the driver’s and passenger’s side. All of the information, cautions and warnings in this manual apply and must be followed. The knee air bag is designed to inflate in higher severity frontal collisions, although it may inflate if the forces in another type of collision are similar to those of a higher severity frontal impact. It may not inflate in certain collisions.

Passenger’s side