|
|
SEF377U SEF057T SEF895VA SEF355W DIAGNOSTIC PROCEDURE INSPECTION START 1. Turn ignition switch “OFF”. 2. Loosen and retighten engine ground screws. CHECK INPUT SIGNAL CIRCUIT-1. and knock sensor sub-harness connec- 2. Check harness continuity between ter- minal q 4 (bank 1), q 2 (bank 2) and ECM terminal 105 (bank 1), 108 (bank 2). OK E NG Repair harness or connec- CHECK INPUT SIGNAL CIRCUIT-2. q 4 (bank 1), q 2 (bank 2) and engine ground. Ω . OK E NG Check the following. I Harness for open or short If NG, repair open circuit or I As for knock sensor If NG, replace knock sen- Perform “TROUBLE DIAGNOSIS FOR INSPECTION END SEF546P COMPONENT INSPECTION Knock sensor 1. Disconnect knock sensor harness connector. 2. Check resistance between terminal q 2 and ground. Approximately 500 - 620 k Ω [at 25°C (77°F)] I It is necessary to use an ohmmeter which can measure more Ω . CAUTION: Do not use any knock sensors that have been dropped or GI MA EM LC FE AT PD FA RA BR ST RS BT HA EL IDX TROUBLE DIAGNOSIS FOR DTC P0325 (B1), P0330 (B2) Knock Sensor (KS) (P0325: Left bank), (P0330: H H H H H EC-269 |