|
|
P1641 THERMOPLUNGER CONTROL UNIT ECK-337 < DTC/CIRCUIT DIAGNOSIS > [K9K] C D E F G H I J K L M A ECK N P O Is the inspection result normal? YES >> GO TO 4. NO >> Perform trouble diagnosis for battery power supply circuit. 4. CHECK THERMOPLUNGER CONTROL UNIT REFERENCE VALUE-1 Check the thermoplunger control unit reference value (thermoplunger control unit side). Refer to . Is the inspection result normal? YES >> GO TO 6. NO >> GO TO 5. 5. CHECK THERMOPLUNGER CONTROL UNIT CIRCUIT-1 Check the thermoplunger control unit circuit for open and short. Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident" . NO >> Repair or replace error-detected parts. 6. CHECK THERMOPLUNGER CONTROL UNIT REFERENCE VALUE-2 Check the thermoplunger control unit reference value (ECM side). Refer to Is the inspection result normal? YES >> GO TO 8. NO >> GO TO 7. 7. CHECK THERMOPLUNGER CONTROL UNIT CIRCUIT-2 Check the thermoplunger control unit circuit for open and short. Is the inspection result normal? YES >> Replace thermoplunger control unit. NO >> Repair or replace error-detected parts. 8. CHECK THERMOPLUNGER Check thermoplunger. Refer to ECK-338, "Component Inspection (Thermoplunger)" . Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-41, "Intermittent Incident" . NO >> Replace malfunctioning thermoplunger. + - Continuity ECM Thermoplunger control unit Connector Terminal Connector Terminal F80 39 F71 8 Existed 44 1 63 2 F81 111 3 121 7 + - Continuity ECM Thermoplunger control unit Connector Terminal Connector Terminal F80 39 F71 8 Existed 44 1 63 2 F81 111 3 121 7 |