DESCRIPTION
The switch circuit inside the combination meter assembly turns on and off according to the steering pad switch assembly operation.
During test mode, when the steering pad switch assembly is operated, "TPMS" is selected on the multi-information display and the "ENTER" switch (steering pad switch assembly) is pressed, the tire pressure warning light illuminates, and when the "ENTER" switch (steering pad switch assembly) is not pressed, the tire pressure warning light blinks at 0.125 second intervals.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| C2198/98 | Initialization Switch (for Test Mode DTC) | Test mode procedure is performed. |
|
- |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
When replacing the tire pressure warning ECU and receiver, read the transmitter IDs stored in the old ECU using the GTS and write them down before removal.
It is necessary to perform initialization after registration Click here of the transmitter IDs into the tire pressure warning ECU and receiver if the ECU has been replaced.
PROCEDURE
INSPECT STEERING PAD SWITCH ASSEMBLY
Remove the steering pad switch assembly.
Inspect the steering pad switch assembly.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE STEERING PAD SWITCH ASSEMBLY Click here |
| OK |
|
INSPECT SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY
Remove the spiral with sensor cable sub-assembly.
Inspect the spiral with sensor cable sub-assembly.
| Result | |||
|---|---|---|---|
|
| NG |
|
REPLACE SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY Click here |
| OK |
|
CHECK HARNESS AND CONNECTOR (SPIRAL WITH SENSOR CABLE SUB-ASSEMBLY - COMBINATION METER ASSEMBLY)
Disconnect the I4 spiral with sensor cable sub-assembly connector.
Disconnect the I10 combination meter assembly connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - TIRE PRESSURE WARNING ECU AND RECEIVER)
Disconnect the P11*1 or Q46*2 tire pressure warning ECU and receiver connector.
*1: except AGZ10R-AWTLTQ or AGZ15R-AWTLTQ Deck Floor Box LH without Compact Spare Tire Caution Label
*2: for AGZ10R-AWTLTQ or AGZ15R-AWTLTQ Deck Floor Box LH without Compact Spare Tire Caution Label
Disconnect the I10 and I11 combination meter assembly connectors.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK TERMINAL VOLTAGE (INT)
Disconnect the I11 combination meter assembly connector.
| *a | Front view of wire harness connector (to Combination Meter Assembly) |
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| Result | ||||||||
|---|---|---|---|---|---|---|---|---|
|
| A |
|
GO TO METER / GAUGE SYSTEM Click here |
| B |
|
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER Click here |
| C |
|
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER Click here |