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Verify System

WARNING: This page is about a different car, the 2004 Mazda B4000, 2004 Mazda B3000, and 2004 Mazda B2300. However, it is still accessible from the selected car via links, so may be relevant.

To verify system, use prove out system procedure with Air Bag Simulators (105-R0012) in place of the air bag modules. See PROVE OUT SYSTEM  .

DIAGNOSTIC SYMPTOMS

Condition Go To Test
AIR BAG warning light on continuously TEST A: AIR BAG WARNING LIGHT ON CONTINUOUSLY-RCM DISCONNECTED OR INOPERATIVE 
Audible tone/DTCs retrieved TEST R: AIR BAG WARNING LIGHT INOPERATIVE (DTC B1869)  or TEST S: AIR BAG WARNING LIGHT SHORT TO BATTERY VOLTAGE (DTC B1870) 
No communication with RCM TEST Z: NO COMMUNICATION WITH RCM 
Restraints Control Module (RCM) does not respond to diagnostic tool TEST AA: RESTRAINTS CONTROL MODULE (RCM) DOES NOT RESPOND TO DIAGNOSTIC TOOL 
No Module/Network Communication TEST AB: NO MODULE/NETWORK COMMUNICATION 
DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

Fault Code/Flash Code Go To Test
B1231/19 TEST B: CRASH DATA MEMORY FULL (DTC B1231) 
B1342 (1)
B1869(2) TEST R: AIR BAG WARNING LIGHT INOPERATIVE (DTC B1869) 
B1870(2) TEST S: AIR BAG WARNING LIGHT SHORT TO BATTERY VOLTAGE (DTC B1870) 
B1871/25 TEST M: PASSENGER-SIDE AIR BAG DEACTIVATION (PAD) SWITCH FAULT (DTC B1871) 
B1877/46 TEST T: LEFT PRETENSIONER CIRCUIT RESISTANCE LOW OR HIGH (DTC B1885/B1877) 
B1878/17 TEST V: LEFT PRETENSIONER CIRCUIT SHORT TO BATTERY OR IGNITION (DTC B1878) 
B1879/17 TEST W: LEFT PRETENSIONER CIRCUIT SHORT TO GROUND (DTC B1879) 
B1881/47 TEST U: RIGHT PRETENSIONER CIRCUIT RESISTANCE LOW OR HIGH (DTC B1881/B1886) 
B1882/18 TEST X: RIGHT PRETENSIONER CIRCUIT SHORT TO BATTERY OR IGNITION (DTC B1882) 
B1883/18 TEST Y: RIGHT PRETENSIONER CIRCUIT SHORT TO GROUND (DTC B1883) 
B1884/27 TEST N: PASSENGER-SIDE AIR BAG DEACTIVATION (PAD) SWITCH WARNING LIGHT INOPERATIVE (DTC B1884) 
B1885/46 TEST T: LEFT PRETENSIONER CIRCUIT RESISTANCE LOW OR HIGH (DTC B1885/B1877) 
B1886/47 TEST U: RIGHT PRETENSIONER CIRCUIT RESISTANCE LOW OR HIGH (DTC B1881/B1886) 
B1887/15 TEST E: DRIVER-SIDE AIR BAG CIRCUIT SHORT TO GROUND (DTC B1887) 
B1888/16 TEST G: PASSENGER-SIDE AIR BAG CIRCUIT SHORT TO GROUND (DTC B1888) 
B1890/27 TEST O: PASSENGER-SIDE AIR BAG DEACTIVATION (PAD) SWITCH WARNING LIGHT SHORT TO BATTERY (DTC B1890) 
B1891/(3) TEST Q: AIR BAG TONE WARNING INDICATOR CIRCUIT SHORT TO BATTERY OR IGNITION (B1891) 
B1892/(3) TEST P: AIR BAG TONE WARNING INDICATOR CIRCUIT SHORT TO GROUND OR OPEN (DTC B1892) 
B1916/15 TEST F: DRIVER-SIDE AIR BAG CIRCUIT SHORT TO BATTERY OR IGNITION (DTC B1916) 
B1921/21 TEST C: RCM BRACKET GROUND RESISTANCE HIGH (DTC B1921) 
B1925/16 TEST H: PASSENGER-SIDE AIR BAG CIRCUIT SHORT TO BATTERY OR IGNITION (DTC B1925) 
B1932/32 TEST I: DRIVER-SIDE AIR BAG RESISTANCE HIGH (DTC B1932) 
B1933/33 TEST J: PASSENGER-SIDE AIR BAG RESISTANCE HIGH (DTC B1933) 
B1934/34 TEST K: DRIVER-SIDE AIR BAG LOW RESISTANCE (DTC B1934) 
B1935/35 TEST L: PASSENGER-SIDE AIR BAG RESISTANCE LOW (DTC B1935) 
C1414/29 TEST D: INCORRECT VEHICLE IDENTIFICATION CODE (DTC C1414) 
(1) RCM internal fault. Replace RCM.
(2) Tone will sound only if additional DTCs are present.
(3) Flash code is not available.
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