05608 DIANOSTICS OPERATI LIHT CONTROL RHEOSTAT DOES NOT CHAE LIHT BRIHTNESS 05DKP01 WIRI DIARAM W W W Instrument Panel J/B 7 1R 6 1J 2 1N 11 1F W 27 C6 Combination Meter W Radio and Player 5 10 R3 R2 5 1N W W F J6 J/C D J7 D J7 I13 Integration Control and Panel W 5 4 2 1J 10 1F 26 Illumination W Light Control SW A7 Illumination A/T Shift Lever Illumination W 3 1 R6 Rheostat 6 ILL 10 +B T OFF Tail Head 13 T E 4 5 F8 Fusible Link Block ALT 4 WB C8 Combination SW W B 1 1P 9 1R 14 1P 9 1M 4 1M TAIL 2 1O 1 1C B WB Battery IE I34767 768
DIANOSTICS 05609 INSPECTION PROCEDURE 1 CHECK ILLUMINATION Operate the rheostat and check that the amount of light for the combination meter assy, the radio, player, the integration control and panel etc. A B Combination meter does not change. All lights do not change. B o to step 6 A 2 INSPECT INSTRUMENT PANEL JUNCTION 1F 1F10 Body ground Light control switch OFF Below 1 V 1F10 Body ground Light control switch in TAIL or HEAD position 10 to 14 V E69143 769
05610 DIANOSTICS 3 INSPECT ASSY Connector Front View: C6 Combination Meter C626 E69139 Disconnect the combination meter connector. C626 Body ground Light control switch OFF Below 1 V C626 Body ground Light control switch in TAIL or HEAD position 10 to 14 V REPAIR OR REPLACE HARNESS OR CONNECTOR ( ASSY INSTRUMENT PANEL JUNCTION ) 4 INSPECT ASSY Connector Front View: C6 Combination Meter Disconnect the combination meter connector. C627 Body ground Rheostat switch MAX Below 1 Ω C627 E69139 o to step 5 REPLACE ASSY (See page 7128) 770
DIANOSTICS 05611 5 INSPECT INSTRUMENT PANEL JUNCTION 1F 1F11 Body ground Rheostat switch MAX Below 1 Ω E69143 REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSY ASSY) (See page 0130) 6 INSPECT FUSE Inspect the ALT fuse in the fusible link block assy. Below 1 Ω Inspect the TAIL fuse in the instrument panel junction block assy. Below 1 Ω INSPECT FOR SHORT CIRCUIT IN HARNESS AND ALL COMPONENTS CONNECTED TO FUSE 771
05612 DIANOSTICS 7 INSPECT HEADLAMP DIMMER SWITCH ASSY Inspect the light control switch of combination switch (See page 656). REPLACE HEADLAMP DIMMER SWITCH ASSY (See page 6521) 8 INSPECT LIHT CONTROL RHEOSTAT Inspect the light control rheostat (See page 716). REPLACE LIHT CONTROL RHEOSTAT 9 INSPECT LIHT CONTROL RHEOSTAT Connector Front View: R6 Light Control Rheostat Disconnect the light control rheostat connector. R65 Body ground Always Below 1 Ω R65 E69145 o to step 16 772
DIANOSTICS 05613 10 INSPECT INSTRUMENT PANEL JUNCTION (POWER SOURCE CIRCUIT) 1C Disconnect 1C connector of the instrument panel junction block assy. 1C1 Body ground Always 10 to 14 V E69144 REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BATTERY) (See page 0130) 11 INSPECT INSTRUMENT PANEL JUNCTION 1M 1M4 Body ground Always 10 to 14 V E69161 773
05614 DIANOSTICS 12 INSPECT INSTRUMENT PANEL JUNCTION 1M 1M9 Body ground Light control switch OFF Below 1 V 1M9 Body ground Light control switch in TAIL or HEAD position 10 to 14 V E69161 REPAIR OR REPLACE HARNESS OR CONNECTOR (See page 0130) 13 INSPECT INSTRUMENT PANEL JUNCTION 1P 1J 1R 1F10 Body ground Light control switch OFF TAIL or HEAD Below 1 V 10 to 14 V 1J2 Body ground 1N5 Body ground 1R9 Body ground Light control switch OFF TAIL or HEAD Light control switch OFF TAIL or HEAD Light control switch OFF TAIL or HEAD Below 1 V 10 to 14 V Below 1 V 10 to 14 V Below 1 V 10 to 14 V 1N E69162 E69637 774
DIANOSTICS 05615 14 INSPECT INSTRUMENT PANEL JUNCTION 1R 1J Disconnect 1F, 1J, 1N, 1R connector of the instrument panel junction block assy. 1R7 1F11 Always Below 1 Ω 1R7 1J6 Always Below 1 Ω 1R7 1N2 Always Below 1 Ω 1F 1N E69163 775
05616 DIANOSTICS 15 CHECK HARNESS AND CONNECTOR(INSTRUMENT PANEL JUNCTION BLOCK ASSY LIHT CONTROL RHEOSTAT) 1R Disconnect 1R connector of the instrument panel junction block assy and light control rheostat connector. 1R7 R66 Always Below 1 Ω 1R7 Body ground Always 10 kω or higher R6 Light Control Rheostat E69164 E69145 R66 E69272 REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION LIHT CONTROL RHEOSTAT) REPAIR OR REPLACE HARNESS OR CONNECTOR (EACH OF ILLUMINATION CIRCUIT) (See page 0130) 776
DIANOSTICS 05617 16 CHECK HARNESS AND CONNECTOR(INSTRUMENT PANEL JUNCTION BLOCK ASSY BODY ROUND) Disconnect 1O connector of the instrument panel junction block assy. 1O2 Body ground Always Below 1 Ω 1O E69165 REPAIR OR REPLACE HARNESS OR CONNECTOR (See page 0130) 777
05618 DIANOSTICS 17 INSPECT INSTRUMENT PANEL JUNCTION Disconnect 1P connector of the instrument panel junction block assy. 1P14 Body ground Always Below 1 Ω 1P E69166 REPAIR OR REPLACE HARNESS OR CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSY LIHT CONTROL RHEOSTAT) (See page 0130) 778