184 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM DT 1810/53 Short in Driver Side Squib 2nd Step ircuit DT 1811/53 Open in Driver Side Squib 2nd Step ircuit DT 1812/53 DT 1813/53 Short to GND in Driver Side Squib 2nd Step ircuit Short to + in Driver Side Squib 2nd Step ircuit DESRIPTION The driver side squib 2nd step circuit consists of the center airbag sensor assembly, the spiral cable and the steering pad. The circuit signals the S to deploy when deployment conditions are met. These DTs are recorded when a malfunction is detected in the driver side squib 2nd step circuit. DT No. DT Detecting ondition Trouble rea 1810/53 1811/53 1812/53 1813/53 enter airbag sensor assembly detects line short circuit signal in driver side squib 2nd step circuit 5 times during primary check. malfunction enter airbag sensor assembly malfunction enter airbag sensor assembly detects open circuit signal in driver side squib 2nd step circuit for 2 malfunction enter airbag sensor assembly malfunction enter airbag sensor assembly detects short circuit to ground signal in driver side 2nd step circuit for 0.5 malfunction enter airbag sensor assembly malfunction enter airbag sensor assembly detects short circuit to + signal in driver side squib 2nd step circuit for 0.5 malfunction enter airbag sensor assembly malfunction enter airbag sensor assembly enter airbag sensor assembly enter airbag sensor assembly enter airbag sensor assembly
SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 185 WIRI DIGRM E18 Driver Side Squib 2nd Step (Steering Pad) 8 E29 7 E29 1 4 2 3 able enter irbag Sensor ssembly H101822E09 INSPETION PROEDURE HINT: Perform the simulation method by selecting HEK MODE (signal check) with the intelligent tester (See page -39). fter selecting HEK MODE (signal check), perform the simulation method by wiggling each connector of the airbag system or driving the vehicle on a city or rough road (See page -29). 1 HEK ONNETOR (DRIVER SIDE SQUI - SPIRL LE) (c) (d) Turn the ignition switch off. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 Disconnect the connectors from the steering pad. heck the spiral cable connector and terminals (on the steering pad side) and check that the connector is properly connected to the steering pad.
186 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM No problem. onnector or terminals incorrect. onnector connected improperly. Proceed to REPLE SPIRL LE ONNET ONNETOR PROPERLY 2 HEK STEERI PD (DRIVER SIDE SQUI 2ND STEP) able F E D Driver Side Squib 2nd Step G DL3 T onnector E enter irbag Sensor ssembly SST olor: lack DT 53 H100863E02 SST 09843-18060 Disconnect the connectors from the steering pad. onnect the white wire side of SST (resistance 2.1 Ω) to connector E (black connector). UTION: Never connect a tester to the steering pad (driver side squib 2nd step) for measurement, as this may lead to a serious injury due to airbag deployment. NOTIE: Do not forcibly insert the SST into the terminals of the connector when connecting. Insert the SST straight into the terminals of the connector. (c) onnect the negative (-) terminal cable to the battery, and wait for at least 2 (d) Turn the ignition switch on, and wait for at least 60 (e) lear the DTs stored in the memory (See page -36). (f) Turn the ignition switch off. (g) Turn the ignition switch on, and wait for at least 60 (h) heck the DTs (See page -36). : DT 1810/53, 1811/53, 1812/53 and 1813/53 are not output. HINT: DTs other than DT 1810/53, 1811/53, 1812/53 and 1813/53 may be output at this time, but they are not related to this check. REPLE STEERI PD 3 HEK ONNETOR (SPIRL LE - INSTRUMENT PNEL WIRE) Turn the ignition switch off. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90
SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 187 No problem. onnector or terminals incorrect. onnector connected improperly. (c) Disconnect the SST from connector E. (d) heck the instrument panel wire connector and terminals (on the spiral cable side) and check that the connector is properly connected to the spiral cable. Proceed to REPIR OR REPLE INSTRUMENT PNEL WIRE ONNET ONNETOR PROPERLY 4 HEK SPIRL LE Instrument Panel Wire able F E D Driver Side Squib enter irbag Sensor ssembly Disconnect the instrument panel wire connector from the spiral cable. heck for short to + in the circuit. (1) onnect the negative (-) terminal cable from the battery, and wait for at least 2 (2) Turn the ignition switch on. (3) Measure the voltage. Standard voltage Tester onnection ondition Specified ondition 1 () - ody ground Ignition switch on elow 1 V 2 () - ody ground Ignition switch on elow 1 V onnector E olor: lack 127735E02 (c) (d) heck for open in the circuit. (1) Turn the ignition switch off. (2) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 (3) Measure the resistance. Tester onnection ondition Specified ondition 1 () - 2 () lways elow 1 Ω heck for short to ground in the circuit. (1) Measure the resistance. Tester onnection ondition Specified ondition 1 () - ody ground lways 1 MΩ or higher 2 () - ody ground lways 1 MΩ or higher (e) heck for short in the circuit. (1) Release the activation prevention mechanism built into connector D (See page -29). (2) Measure the resistance.
188 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM Tester onnection ondition Specified ondition 1 () - 2 () lways 1 MΩ or higher (3) Restore the released activation prevention mechanism of connector D to the original condition. REPLE SPIRL LE 5 HEK ONNETOR (ENTER IR G SENSOR SSEMLY - INSTRUMENT PNEL WIRE) heck the instrument panel wire connector and terminals (on the center airbag sensor assembly side) and check that the connector is properly connected to the center airbag sensor assembly. Proceed to No problem. onnector or terminals incorrect. onnector connected improperly. REPIR OR REPLE INSTRUMENT PNEL WIRE ONNET ONNETOR PROPERLY 6 HEK INSTRUMENT PNEL WIRE Instrument Panel Wire E13 able F E D Driver Side Squib 2nd Step enter irbag Sensor ssembly Disconnect the instrument panel wire connector from the center airbag sensor assembly. heck for short to + in the circuit. (1) onnect the negative (-) terminal cable to the battery, and wait for at least 2 (2) Turn the ignition switch on. (3) Measure the voltage. Standard voltage Tester onnection ondition Specified ondition E13-4 () - ody ground Ignition switch on elow 1 V E13-3 () - ody ground Ignition switch on elow 1 V H100856E13 (c) heck for open in the circuit. (1) Turn the ignition switch off. (2) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 (3) Measure the resistance.
SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 189 Tester onnection ondition Specified ondition E13-4 () - E13-3 () lways elow 1 Ω (d) heck for short to ground in the circuit. (1) Measure the resistance. Tester onnection ondition Specified ondition E13-4 () - ody ground lways 1 MΩ or higher E13-3 () - ody ground lways 1 MΩ or higher (e) heck for short in the circuit. (1) Release the activation prevention mechanism built into connector (See page -29). (2) Measure the resistance. Tester onnection ondition Specified ondition E13-4 () - E13-3 () lways 1 MΩ or higher (3) Restore the released activation prevention mechanism of connector to the original condition. REPIR OR REPLE INSTRUMENT PNEL WIRE 7 HEK ENTER IRG SENSOR SSEMLY FE DL3 G Driver Side Squib 2nd Step able T D enter irbag Sensor ssembly DT 53 H100865E01 onnect the connectors to the steering pad, spiral cable and the center airbag sensor assembly. onnect the negative (-) terminal cable to the battery, and wait for at least 2 (c) Turn the ignition switch on (IG), and wait for at least 60 (d) lear the DTs stored in the memory (See page -36). (e) Turn the ignition switch off. (f) Turn the ignition switch on (IG), and wait for at least 60 (g) heck the DTs (See page -36). : DT 1810/53, 1811/53, 1812/53 and 1813/53 are not output. HINT: DTs other than DT 1810/53, 1811/53, 1812/53 and 1813/53 may be output at this time, but they are not related to this check. REPLE ENTER IRG SENSOR SSEMLY
190 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM USE SIMULTION METHOD TO HEK