B1648-REAR RIGHT TURN LAMP CONTROL CIRCUIT HIGH

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    Continuously.

  • Set Condition:

    When the Totally Integrated Power Module (TIPM) detects a HIGH condition.


Possible Causes
 
CHECK (Z910) GROUND CIRCUIT
 
(Z910) GROUND CIRCUIT OPEN
 
CHECK (L62) RIGHT REAR TURN SIGNAL CONTROL CIRCUIT
 
(L62) RIGHT REAR TURN SIGNAL CONTROL CIRCUIT OPEN
 
(L62) RIGHT REAR TURN SIGNAL CONTROL CIRCUIT SHORTED TO VOLTAGE
 
TOTALLY INTEGRATED POWER MODULE
 




Diagnostic Test

1.TEST FOR INTERMITTENT CONDITION






Does the scan tool display active: B1648-REAR RIGHT TURN LAMP CONTROL CIRCUIT HIGH?

Yes
  • Go To 2


No
  • The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
  • Perform the BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)

2.CHECK (Z910) GROUND CIRCUITS





Does the test light illuminate brightly on each ground circuit?

Yes
  • Go To 4


No
  • Go To 3

3.(Z910) GROUND CIRCUIT OPEN



Is the resistance below 10.0 ohms?

Yes


No

4.CHECK (L62) RIGHT REAR TURN SIGNAL CONTROL CIRCUIT




Does the test light blink brightly from on to off with the turn signal indicator?

Yes


No
  • Go To 5

5.(L62) RIGHT REAR TURN SIGNAL CONTROL CIRCUIT OPEN





Is the resistance below 10.0 ohms?

Yes
  • Go To 6


No

6.(L62) RIGHT REAR TURN SIGNAL CONTROL CIRCUIT SHORTED TO VOLTAGE




Is there any voltage present?

Yes


No