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B1695

B1695-ACCESSORY DIMMING CONTROL CIRCUIT OPEN


B1695-Accessory Dimming Control Circuit Open:




WHEN MONITORED
Ignition Run/Start transition to on, and ATC not present.

SET CONDITION
Input Dimmer Signal Output status HIGH.

POSSIBLE CAUSES
- (E22) indicator dimmer signal circuit open
- Instrument cluster

Diagnostic Test

1. CHECK FOR AN ACTIVE DTC
Turn the ignition on.
With the scan tool, record and erase DTCs.
Activate the rear wiper switch.
With the scan tool, read DTCs.

Q: Is the DTC active?

YES: Go To 2
NO: The condition that caused this code to set is not present at this time. Check for an intermittent condition by inspecting the related wiring harness for chaffed, pierced, pinched, and partially broken wires. Also inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test

2. CHECK THE (E22) INDICATOR DIMMER SIGNAL CIRCUIT FOR AN OPEN




Turn the ignition off.
Disconnect the Instrument Cluster C3 harness connector.
Disconnect the Switch Bank harness connector.
Measure the resistance of the (E22) Indicator Dimmer Signal Circuit between the Instrument Cluster C3 Harness connector and the Switch Bank harness connector.

Q: Is the resistance above 5.0 ohms?

YES: Repair the (E22) Indicator Dimmer Signal Circuit for an open. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Replace the Instrument Cluster. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test