SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 85 DT 1628/82 Front Passenger Side - Side irbag Sensor ssembly Initialization Incomplete DESRIPTION The side airbag sensor RH and the rear airbag sensor RH consist of parts including the diagnostic circuit and the lateral deceleration sensor. When the center airbag sensor assembly receives signals from the lateral deceleration sensor, it determines whether or not the S should be activated. DT 1628/82 is set when a malfunction is detected in the side airbag sensor RH or rear airbag sensor RH circuit. DT No. DT Detection ondition Trouble rea 1628/82 enter airbag sensor assembly detects open circuit signal in side airbag sensor RH circuit or rear airbag sensor RH circuit for 2 seconds. Side airbag sensor RH malfunction Rear airbag sensor RH malfunction enter airbag sensor assembly malfunction Floor wire Side airbag sensor RH Rear airbag sensor RH enter airbag sensor assembly WIRING DIGRM K2 Side irbag enter irbag Sensor ssembly R+ 4 8 K1 P+ 11 R- 3 K1 P- K3 Rear irbag R+ 1 2 R+ R- 2 1 R- H100829E04
86 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM INSPETION PROEDURE NOTIE: In order to prevent unexpected airbag deployment, disconnect the following connectors before inspecting parts such as wire harnesses, if the application of tester probes to the center airbag sensor assembly connector is necessary. 1. Turn the ignition switch off. 2. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds. 3. Disconnect the connector from the center airbag sensor assembly. 4. Disconnect the connectors from the steering pad. 5. Disconnect the connectors from the front passenger airbag assembly. 6. Disconnect the connector from the front seat outer belt assembly LH. 7. Disconnect the connector from the front seat outer belt assembly RH. HINT: Skip the following steps if side airbags and curtain shield airbags are not fitted. 8. Disconnect the connector from the front seat side airbag assembly LH. 9. Disconnect the connector from the front seat side airbag assembly RH. 10.Disconnect the connector from the curtain shield airbag assembly LH. 11.Disconnect the connector from the curtain shield airbag assembly RH. 1 HEK DT OUTPUT DTs 1622/81 and 1627/82 are not output. DTs (PST DTs) 1622/81 and 1627/82 are output and DT (PRESENT DT) 1628/82 is output. DTs (PST DTs) 1622/81 and 1627/82 are output and DT (PRESENT DT) 1623/81 is output. Turn the ignition switch off. (b) Turn the ignition switch on, and wait for at least 60 seconds. (c) heck the DTs (See page -36 ). Proceed to HINT: DTs other than DT 1622/81, 1623/81, 1627/82 and 1628/82 may be output at this time, but they are not related to this check. GO TO NOTHER TROULESHOOTING (See page -80) GO TO NOTHER TROULESHOOTING (See page -70) 2 HEK ONNETO (ENTER IRG SENSOR SSEMLY - SIDE IRG SENSOR RH) (b) Turn the ignition switch off. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds.
SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 87 (c) (d) Disconnect the floor wire connectors from the center airbag sensor assembly and the side airbag sensor RH. heck the floor wire connectors and terminals (on the center airbag sensor assembly and the side airbag sensor RH sides) and check that the connectors are properly connected. Proceed to No problem. onnectors or terminals incorrect. onnectors connected improperly. REPIR OR REPLE FLOOR WIRE ONNET ONNETO PROPERLY 3 HEK FLOOR WIRE (ENTER IRG SENSOR SSEMLY - SIDE IRG SENSOR RH) Floor Wire D Side irbag enter irbag Sensor ssembly heck for open in the circuit. (1) Using a service wire, connect K2-4 (R+) and K2-3 (R-) of connector. NOTIE: Do not forcibly insert the service wire into the terminals of the connector when connecting. (2) Measure the resistance. Tester onnection ondition Specified ondition K1-8 (P+) - K1-11 (P-) lways elow 1 Ω P- onnector K2 R- R+ onnector 5 4 3 2 1 10 9 8 7 6 15 14 13 12 11 K1 Service Wire P+ H100845E03
88 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM Floor Wire (b) heck for short in the circuit. (1) Disconnect the service wire from connector. (2) Measure the resistance. D Side irbag enter irbag Sensor ssembly (c) Tester onnection ondition Specified ondition K1-8 (P+) - K1-11 (P-) lways heck for short to in the circuit. (1) Measure the resistance. K1 onnector P+ 5 4 3 2 1 10 9 8 7 6 15 14 13 12 11 P- H100846E07 (d) Tester onnection ondition Specified ondition K1-8 (P+) - ody lways K1-11 (P-) - ody lways heck for short to + in the circuit. (1) onnect the negative (-) terminal cable to the battery, and wait for at least 2 seconds. (2) Turn the ignition switch to the on position. (3) Measure the voltage. Standard voltage Tester onnection ondition Specified ondition K1-8 (P+) - ody Ignition switch on elow 1 V K1-11 (P-) - ody Ignition switch on elow 1 V (4) Turn the ignition switch off. (5) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds. NG REPIR OR REPLE FLOOR WIRE OK 4 HEK SIDE IRG SENSOR RH onnect the connector to the center airbag sensor assembly.
SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 89 Side irbag enter irbag Sensor ssembly DT 81 (b) Interchange the side airbag sensor RH with the side airbag sensor LH and connect the connectors to them. (c) onnect the negative (-) terminal cable to the battery, and wait for at least 2 seconds. (d) Turn the ignition switch to the on position, and wait for at least 60 seconds. (e) lear the DTs stored in the memory (See page -36 ). (f) Turn the ignition switch to the lock position. (g) Turn the ignition switch to the on position, and wait for at least 60 seconds. (h) heck for DTs (See page -36 ). DL3 DT 82 G T 135745E01 DT 1628/82 is output. DT 1623/81 is output. DT 1623/81 or 1628/82 is output. Proceed to HINT: DTs other than DT 1623/81 and 1628/82 may be output at this time, but they are not related to this check. REPLE SIDE IRG SENSOR RH USE SIMULTION METHOD TO HEK 5 HEK ONNETO (SIDE IRG SENSOR RH - RER IRG SENSOR RH) No problem. onnectors or terminals incorrect. onnectors connected improperly. (b) (c) (d) Turn the ignition switch off. Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds. Disconnect the floor wire connectors from the side airbag sensor RH and the rear airbag sensor RH. heck the floor wire connectors and terminals (on the side airbag sensor RH and the rear airbag sensor RH sides) and check that the connectors are properly connected. proceed to
90 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM REPIR OR REPLE FLOOR WIRE ONNET ONNETO PROPERLY 6 HEK FLOOR WIRE (SIDE IRG SENSOR RH - RER IRG SENSOR RH) D Rear irbag Floor Wire Side irbag heck for open in the circuit. (1) Using a service wire, connect K3-1 (R-) and K3-2 (R+) of connector. NOTIE: Do not forcibly insert the service wire into the terminals of the connector when connecting. (2) Measure the resistance. Tester onnection ondition Specified ondition K2-1 (R+) - K2-2 (R-) lways elow 1 Ω onnector onnector K3 R - R + K2 Service Wire R+ R- H100841E10 D Floor Wire (b) heck for short in the circuit. (1) Disconnect the service wire from connector. (2) Measure the resistance. Tester onnection ondition Specified ondition K2-1 (R+) - K2-2 (R-) lways Rear irbag Side irbag (c) heck for short to in the circuit. (1) Measure the resistance. K2 onnector Tester onnection ondition Specified ondition K2-1 (R+) - ody lways K2-2 (R-) - ody lways R+ R- H100842E11 (d) heck for short to + in the circuit. (1) onnect the negative (-) terminal cable to the battery, and wait for at least 2 seconds. (2) Turn the ignition switch to the on position. (3) Measure the voltage.
SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM 91 Standard voltage Tester onnection ondition Specified ondition K2-1 (R+) - ody Ignition switch on elow 1 V K2-2 (R-) - ody Ignition switch on elow 1 V (4) Turn the ignition switch off. (5) Disconnect the negative (-) terminal cable from the battery, and wait for at least 90 seconds. NG REPIR OR REPLE FLOOR WIRE OK 7 HEK RER IRG SENSOR RH Rear irbag Side irbag DT 81 onnect the connector to the side airbag sensor RH. (b) Interchange the rear airbag sensor RH with the rear airbag sensor LH and connect the connectors to them. (c) onnect the negative (-) terminal cable to the battery, and wait for at least 2 seconds. (d) Turn the ignition switch to the on position, and wait for at least 60 seconds. (e) lear the DTs stored in the memory (See page -36 ). (f) Turn the ignition switch to the lock position. (g) Turn the ignition switch to the on position, and wait for at least 60 seconds. (h) heck for DTs (See page -36 ). DL3 DT 82 G T 135743E02 DT 1623/81 or 1628/82 is not output. DT 1628/82 is output. DT 1623/81 is output. Proceed to HINT: DTs other than DT 1623/81 and 1628/82 may be output at this time, but they are not related to this check. REPLE ENTER IRG SENSOR SSEMLY REPLE RER IRG SENSOR RH
92 SUPPLEMENTL RESTRINT SYSTEM IRG SYSTEM USE SIMULTION METHOD TO HEK