TEST OPTIONS
REASON FOR QUESTION
NO
YES
KNOWN INFO
Continuity Test or
STE/ICE-R Test #91
POSSIBLE PROBLEMS
15.
If continuity is not present,
wire 113 is faulty.
e53. BACKUP LIGHT DOES NOT ILLUMINATE (CONT)
Circuit breaker CB70 OK.
Circuit breaker CB73 OK.
Both turn signals illuminate.
Engine starts.
Transmission reverse (R)
range OK.
Backup light lamps OK.
Backup light assembly OK.
WTEC III transmission controls.
CAUTION
Read CAUTION
on following page.
Is continuity present from
WTEC III relay K25
terminal 85 to connector
P115 socket 4?
Repair wire 113 from WTEC III relay
K25 terminal 85 to connector P115
socket 4 (para 2-40) or replace WTEC III
dashboard cable assembly (para 7-11).
TM 9-2320-365-20-1
2-666 Change 1
Faulty WTEC III relay K25.
Faulty WTEC III dashboard
cable assembly.
Faulty rear lights cable
assembly.
Faulty WTEC III
transmission ECU.