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Parameter Id (PID)/Data Monitor & Record

WARNING: This page is about a different car, the 2004 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
  1. PIDs are real-time measurements of parameters, such as voltages, resistances, etc., calculated by the Restraints Control Module (RCM) and sent to scan tool for display. PID/Data Monitor and Record option allows technician using scan tool to read the state of several PIDs to aid in diagnosing the system.
  2. Connect scan tool to Data Link Connector (DLC), located under instrument panel to right of steering column. Turn ignition switch to ON position. Follow manufacturer"s instructions for scan tool being used. PIDs are continuously updated on scan tool display.
DIAGNOSTIC SYMPTOMS

Condition Go To Test
AIR BAG warning light on continuously TEST A: AIR BAG WARNING LIGHT ON CONTINUOUSLY-RCM DISCONNECTED, INOPERATIVE OR LOST/LOW IGNITION FEED 
AIR BAG warning light flashing (1)
No communication with RCM TEST W: NO COMMUNICATION WITH RCM 
(1) See DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION  table.
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

Fault Code/Flash Code Go To Test
B1231/13 (1)
B1317 (2)
B1318 (3)
B1342/12 (4)
B1869(5) TEST B: AIR BAG WARNING LIGHT CIRCUIT OPEN OR SHORT TO GROUND (DTC B1869) 
B1870(5) TEST C: AIR BAG WARNING LIGHT SHORT TO BATTERY (DTC B1870) 
B1877/33 TEST D: LEFT PRETENSIONER CIRCUIT RESISTANCE HIGH OR LOW (DTC B1877 OR B1885) 
B1878/33 TEST E: LEFT PRETENSIONER CIRCUIT SHORT TO BATTERY (DTC B1878) 
B1879/33 TEST F: LEFT PRETENSIONER CIRCUIT SHORT TO GROUND (DTC B1879) 
B1881/34 TEST G: RIGHT PRETENSIONER CIRCUIT RESISTANCE HIGH OR LOW (DTC B1881 OR 1886) 
B1882/34 TEST H: RIGHT PRETENSIONER CIRCUIT SHORT TO BATTERY (DTC B1882) 
B1883/34 TEST I: RIGHT PRETENSIONER CIRCUIT SHORT TO GROUND (DTC B1883) 
B1885/33 TEST D: LEFT PRETENSIONER CIRCUIT RESISTANCE HIGH OR LOW (DTC B1877 OR B1885) 
B1886/34 TEST G: RIGHT PRETENSIONER CIRCUIT RESISTANCE HIGH OR LOW (DTC B1881 OR 1886) 
B1891/53 TEST J: AIR BAG TONE WARNING INDICATOR CIRCUIT SHORT TO BATTERY (DTC B1891) 
B1892/53 TEST K: AIR BAG TONE WARNING INDICATOR CIRCUIT SHORT TO GROUND OR OPEN (DTC B1892) 
B1916/19 TEST L: DRIVER-SIDE AIR BAG CIRCUIT SHORT TO BATTERY (DTC B1916) 
B1921/14 TEST M: RESTRAINTS CONTROL MODULE (RCM) GROUND CIRCUIT OPEN (DTC B1921) 
B1925/21 TEST N: PASSENGER-SIDE AIR BAG CIRCUIT SHORT TO BATTERY OR IGNITION (DTC B1925) 
B1932/19 TEST O: DRIVER-SIDE AIR BAG CIRCUIT RESISTANCE HIGH (DTC B1932) 
B1933/21 TEST P: PASSENGER-SIDE AIR BAG CIRCUIT RESISTANCE HIGH (DTC B1933) 
B1934/19 TEST Q: DRIVER-SIDE AIR BAG CIRCUIT RESISTANCE LOW (DTC B1934) 
B1935/21 TEST R: PASSENGER-SIDE AIR BAG CIRCUIT RESISTANCE LOW (DTC B1935) 
B1936/19 TEST S: DRIVER-SIDE AIR BAG CIRCUIT SHORT TO GROUND (DTC B1936) 
B1938/21 TEST T: PASSENGER-SIDE AIR BAG CIRCUIT SHORT TO GROUND (DTC B1938) 
B2226/42 (6)
B2227/42 TEST U: FRONT CRASH SENSOR COMMUNICATIONS FAULT (DTC B2227) 
B2792/35 TEST V: CROSS LINK BETWEEN FIRING LOOPS (DTC B 2792) 
(1) Replace Restraints Control Module (RCM) and front crash sensor.
(2) Battery voltage high. Light continuous. Ensure battery voltage is less than 18 volts.
(3) Battery voltage low. Light continuous. Ensure battery voltage is more than 8 volts.
(4) Faulty RCM. Replace RCM.
(5) No light. Tone will sound only if additional DTCs are present.
(6) Faulty front crash sensor. Replace front crash sensor.
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