Cruise Control Switch Inspection

WARNING: This page is about a different car, the 2016 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

Handling the air bag module improperly can accidentally deploy the air bag module, which may seriously injure you. Read the air bag system service warnings and cautions before handling the air bag module. (See AIR BAG SYSTEM SERVICE WARNINGS [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (See AIR BAG SYSTEM SERVICE CAUTIONS [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (See AIR BAG SYSTEM SERVICE WARNINGS [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (See AIR BAG SYSTEM SERVICE CAUTIONS [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)

Disconnect the negative battery cable and wait for 1 min or more . (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE REMOVAL [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (See DRIVER-SIDE AIR BAG MODULE INSTALLATION [STANDARD DEPLOYMENT CONTROL SYSTEM] .) (See DRIVER-SIDE AIR BAG MODULE REMOVAL [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .) (See DRIVER-SIDE AIR BAG MODULE INSTALLATION [TWO-STEP DEPLOYMENT CONTROL SYSTEM] .)
Disconnect the clock spring connector (part wiring harness-side).

Measure the resistance between clock spring terminals 3E and 3A (part wiring harness-side) using a ohmmeter.

Fig 1: Measuring Resistance Between Clock Spring Terminals 3E And 3A (Part Wiring Harness-Side) Using Ohmmeter

Courtesy of MAZDA MOTORS CORP.

If as specified, go to the next step.
If not as specified, replace the steering switch. (See STEERING SWITCH REMOVAL/INSTALLATION .)

Switch condition	Resistance (ohm)
OFF/CANCEL switch held at on	Approx. 0
SET/- switch held at on	Approx. 84.5
RESUME/+ switch held at on	Approx. 189.5
ON switch held at on	Approx. 326.5
Neutral	Approx. 3, 311.5

Apply battery positive voltage to clock spring terminal 3F (part wiring harness-side), and terminal 3B (part wiring harness-side) to ground.

Fig 2: Applying Battery Positive Voltage To Clock Spring Terminal 3F (Part Wiring Harness-Side)
Courtesy of MAZDA MOTORS CORP.
Verify that the LED illuminates.
- If the LED does not illuminate, replace the steering switch. (See STEERING SWITCH REMOVAL/INSTALLATION .)