Entry Light Control System Control Unit Input Test

Entry Light Control System Control Unit Input Test

1.	Before testing the entry light control functions, troubleshoot the multiplex integrated control system test mode A.

Multiplex Integrated Control Unit:

2.	Remove the left kick panel.

3.

Disconnect the under-dash fuse/relay box connectors. NOTE: All connectors are wire side of female terminals. UNDER-DASH FUSE/RELAY BOX CONNECTOR E (16P)UNDER-DASH FUSE/RELAY BOX CONNECTOR H (14P)UNDER-DASH FUSE/RELAY BOX CONNECTOR I (5P)UNDER-DASH FUSE/RELAY BOX CONNECTOR P (30P)LHD typeRHD typeGRN/REDGRNGRN/YELBLKGRN/WHTLT GRN/REDBRNORNRED/WHTRED/WHTBRNORN

4.	Inspect the connector terminals to be sure they are all making good contact. If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system. If the terminals look OK, go to 5.

5.

With the connectors still disconnected, make these input tests at the connector. If any test indicates a problem, find and correct the cause, the recheck the system. If all the input tests prove OK, go to 6. Cavity  Wire  Test condition  Test: Desired result  Possible cause if result is not obtained  P1 (P14)  BRN (BRN)  Under all conditions  Check for continuity to ground: There should be continuity.  Poor ground (G502) An open in the wire   E9  BLK  Under all conditions  Check for continuity to ground: There should be continutiy.  Poor ground (G601) An open in the wire   P7  ORN  Under all conditions  Attach to ground: Ignition key light should come on.  Blown No. 13 (20A) fuse in the under-hood fuse/relay box Faulty ignition keylight (LED) An open in the wire   I4  GRN/RED  Ceiling light switch in middle position  Attach to ground: Ceiling light(s) should come on.  Blown No. 6 (7.5A) fuse in the under-dash fuse/relay box Blown bulb Faulty ceiling light An open in the wire   ( ): RHD type

6.

Reconnect the connectors to the under-dash fuse/relay box, and make these input tests at the appropriate connectors on the under-dash fuse/relay box. If any test indicates a problem, find and correct the cause, then recheck the system. If all the input tests prove OK, go to 7. Cavity  Wire  Test condition  Test: Desired result  Possible cause if result is not obtained  E15  GRN  Driver's door open  Check for voltage to ground: There should be 1 V or less.  Faulty driver's door switch An open in the wire   Driver's door closed  Check for voltage to ground: There should be 5 V or more.  Faulty driver's door switch Short to ground   H12  LT GRN/RED  Front passenger's door open  Check for voltage to ground: There should be 1 V or less.  Faulty front passenger's door switch An open in the wire   Front passenger's door closed  Check for voltage to ground: There should be 5 V or more.  Faulty front passenger's door switch Short to ground   E14  GRN/YEL  Left or (right) rear door open  Check for voltage to ground: There should be 1 V or less.  Faulty left rear door switch An open in the wire   Left or (right) rear door closed  Check for voltage to ground: There should be 5 V or more.  Faulty left rear door switch Short to ground   H13  GRN/WHT  Right or (left) rear door open  Check for voltage to ground: There should be 1 V or less.  Faulty right rear door switch An open in the wire   Right or (left) rear door closed  Check for voltage to ground: There should be 5 V or more.  Faulty right rear door switch Short to ground   P13 (P2)  RED/WHT  Ignition key inserted into the ignition switch  Check for voltage to ground: There should be 1 V or less.  Poor ground (G501) Faulty  ignition key switch An open in the wire   Ignition key removed from the ignition switch  Check for voltage to ground: There should be 5 V or more.  Faulty ignition key switch Short to ground   ( ): RHD type

Door Multiplex Control Unit:

7.	Remove the driver's door panel.

8.	Disconnect the 23P connector from the  door multiplex control unit.

9.	Inspect the connector and socket terminals to be sure they are all making good contact. If the terminals are bent, loose or corroded, repair them as necessary, and recheck the system. If the terminals look OK, go to 10. WHTWHT/BLKWire side of female terminalsWHT/REDYEL/RED

10.

Reconnect the connector to the door multiplex control unit, and make these input tests at the appropriate connector. If any test indicates a problem, find and correct the cause, then recheck the system. If all the input tests prove OK, the control unit must be faulty; replace it. Cavity  Wire  Test condition  Test: Desired result  Possible cause if result is not obtained  22  YEL/RED  Driver's door lock knob locked  Check for voltage to ground: There should be 1 V or less.  Faulty driver's door lock actuator Poor ground (G501 or G601)   Drive's door lock knob unlocked  Check for voltage to ground: There should be 5 V or more.  Faulty driver's door lock actuator Short to ground   8  WHT/RED  Driver's door key cylinder switch in LOCK  Check for voltage to ground: There should be 1 V or less.  Faulty driver's  door key cylinder switch Poor ground (G501 or G601) An open in the wire Short to ground   Driver's door key cylinder switch in the neutral position  Check for voltage to ground: There should be 5 V or more.  Driver's door key cylinder switch in UNLOCK  Check for voltage to ground: There should be 5 V or more.  21  WHT  Driver's door key cylinder switch in UNLOCK  Check for voltage to ground: There should be 1 V or less.  Faulty driver's door key cylinder switch Poor ground (G501) An open in the wire Short to ground   Driver's door key cylinder switch in the neutral position  Check for voltage to ground: There should be 5 V or more.  Driver's door key cylinder switch in LOCK  Check for voltage to ground: There should be 5 V or more.  7  WHT/BLK  Driver's door lock knob unlocked  Check for voltage to ground: There should be 1 V or less.  Faulty driver's door lock actuator Poor ground (G501 or G601) An open in the wire   Driver's door lock knob locked  Check for voltage to ground: There should be 5 V or more.  Faulty driver's door lock actuator Short to ground