22: Center Cowl Safing Sensor Output Circuit Shorted to B+
DIAGNOSTIC TROUBLE CODE 22 - SAFING SENSOR OUTPUT CIRCUIT SHORTED TO BATTERY VOLTAGENormal Operation
Charging System Voltage:
The air bag diagnostic monitor measures the voltage at Pins C1-2, C1-3, C1-4, and C1-5 of the air bag diagnostic monitor connector. The voltage at these pins is set by the air bag diagnostic monitor and varies with charging system voltage (the expected voltages are shown in the Charging System Voltage table). If the air bag diagnostic monitor measures a voltage of more than 5 volts on any of these pins, the air bag diagnostic monitor will store in memory and flash a DTC 22 on the AIR BAG indicator. Should the unexpected high voltage on Pins C1-2, C1-3, C1-4, or C1-5 be repaired or intermittent, the air bag diagnostic monitor will store a DTC 62 in memory.
Possible Causes
High voltage at air bag diagnostic monitor Pins C1-2, C1-3, C1-4, or C1-5 can be caused by:
- A short to battery or ignition on Circuits 607 (LB/O), 614 (GY/O), 615 (GY/W), or 616 (PK/BK) causing the diagnostic voltage to rise.
- A short in the air bag sliding contact between Circuits 614 (GY/O)) or 615 (GY/W) and some of the horn or speed control wiring.
- An internal air bag diagnostic monitor failure such as a short across the normally open contacts of the safing sensor.
Electrical Schematic - Diagnostic Trouble code 22:
Pinpoint Test - 22-1 - 22-3:
