Charging System (Diagnostics & Symptom Tests): Other Lexus ES XV60

PRECAUTION [06/2012 - ]

1. Check that the battery cables are connected to the correct terminals.
2. Disconnect the battery cables when the battery is given a quick charge.
3. Do not perform tests with a high voltage insulation resistance tester.
4. Never disconnect the battery cables while the engine is running.
5. Check that the charging cable nut is tightened on terminal B of the generator and the engine room relay block and junction block assembly.

Scheme 17

Scheme 18

PROCEDURE

1. CHECK LOOSENESS OF V-RIBBED BELT Check the tension of the belt by pushing it down with a finger. OK The tension of the belt is enough. NG --> See step 8 OK: Go to next step
2. CHECK V-RIBBED BELT FOR WEAR Check the V-ribbed belt for wear. OK The V-ribbed belt is not worn. NG --> See step 7 OK: Go to next step
3. CHECK GENERATOR PULLEY WITH CLUTCH FOR WEAR Check the generator pulley with clutch grooves for wear or other defects. OK The generator pulley with clutch grooves are not damaged. NG --> See step 5 OK: Go to next step
4. CHECK FOR NOISE WHILE GENERATOR PULLEY WITH CLUTCH IS OPERATING Perform a road test and check if noise occurs when decelerating. OK Noise does not occur. NG --> See step 5 OK --> See step 6
5. REPLACE GENERATOR PULLEY WITH CLUTCH. Refer to «COMPONENTS [06/2012 - ]»(ref-598623-S30905990232014021400000)
6. REPLACE GENERATOR ASSEMBLY. Refer to «COMPONENTS [06/2012 - ]»(ref-598623-S30905990232014021400000)
7. REPLACE V-RIBBED BELT. Refer to «COMPONENTS [06/2012 - ]»(ref-598588-S24199715102014021400000)
8. REPLACE V-RIBBED BELT TENSIONER ASSEMBLY. Refer to «COMPONENTS [06/2012 - ]»(ref-598588-S36306622032014021400000)