C1127
DTC C1127 VEHICLE / TPMS RECEIVER BATTERY HIGHCOMPONENT LOCATION
Refer to DTC C1126. C1126
GENERAL DESCRIPTION
Refer to DTC C1126. C1126
DTC DESCRIPTION
This indicates that the receiver battery level is High. The most likely cause is receiver input / A-D failure.
DTC DETECTING CONDITION:
MONITOR SCANTOOL DATA
1. Start engine and turn headlight and heater on.
2. Connect "TPMS exciter" or Scantool to Data Link Connector (DLC).
3. Select "TPMS DIAGNOSIS" mode.
4. Select the "FULL" mode of "CURRENT DATA" function.
5. Maintaining ENG. RPM at 2,500 RPM (idle) over 2 minutes.
6. Monitor the parameter of BATT. VOLT on the "TPMS exciter" or Scantool.
Specification: "BATT. VOLT" is less than 16.5 V
7. Is parameter normal?
YES
> Fault is intermittent. It has been repaired and TPM receiver module memory is not cleared yet.
> Go to "Verification of vehicle Repair" procedure.
NO
> Go to "Inspection/Repair" procedure.
TERMINAL AND CONNECTOR INSPECTION
Refer to DTC C1126. C1126
CHARGING SYSTEM INSPECTION
1. Engine "ON".
2. headlight and rear defroster "ON".
3. Measure voltage between terminal (+) and (-) of battery maintaining ENG. RPM at 2,500 RPM (idle) over 2 minutes.
4. Is the measured voltage within specifications?
YES
> Substitute with a known-good TPM receiver and check for proper operation.
> If the problem is corrected, replace TPM receiver and then go to "Verification of Vehicle Repair" procedure.
NO
> Check for fault in charging system and thoroughly check all connectors (and connections) for looseness, bending, corrosion, contamination, deterioration, and/or damage. Repair or replace if necessary and then go to "Verification of Vehicle Repair" procedure.
VERIFICATION OF VEHICLE REPAIR
Refer to DTC C1121. C1121