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SBC-42 < DTC/CIRCUIT DIAGNOSIS > SEAT BELT BUCKLE SWITCH (PASSENGER SIDE) 1. Sit down to passenger seat. 2. Check that seat belt warning lamp turns OFF when passenger seat belt is fastened, and then turns ON Is the inspection result normal? YES >> Seat belt buckle switch (passenger side) circuit is normal. NO >> Refer to SBC-42, "SEAT BELT WARNING LAMP SYSTEM : Diagnosis Procedure" . SEAT BELT WARNING LAMP SYSTEM : Diagnosis Procedure INFOID:0000000005241771 1. CHECK SEAT BELT BUCKLE SWITCH (PASSENGER SIDE) CIRCUIT 1. Turn the ignition switch ON. 2. Check that voltage between seat belt buckle switch (passenger side) harness connector and ground. * 1 : With climate controlled seat * 2 : Without climate controlled seat Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK SEAT BELT BUCKLE SWITCH (PASSENGER SIDE) CIRCUIT 1. Turn the ignition switch OFF. 2. Disconnect air bag diagnosis sensor unit connector and seat belt buckle switch (passenger side) connec- 3. Check continuity between air bag diagnosis sensor unit harness connector and seat belt buckle switch * 1 : With climate controlled seat * 2 : Without climate controlled seat 4. Check continuity between pre-crash seat belt control unit (passenger side) harness connector and Is the inspection result normal? YES >> INSPECTION END NO >> Repair or replace harness between pre-crash seat belt control unit (passenger side) and seat belt buckle switch (passenger side). (+) (–) Condition Voltage (V) (Approx.) Seat belt buckle switch (passenger side) Connector Terminal B213 *1 1 *1 Ground When passenger side 8.5 When passenger side 0 B513 *2 61 *2 When passenger side 8.5 When passenger side 0 Air bag diagnosis sensor unit Seat belt buckle switch (passenger side) Continuity Connector Terminal Connector Terminal B215 25 B213 *1 1* 1 Existed B513 *2 61* 2 Air bag diagnosis sensor unit Ground Continuity Connector Terminal B215 25 Not existed |