NO. 2 POWER RETRACTABLE HARDTOP INDICATOR LIGHT FLASHING [POWER RETRACTABLE HARDTOP]

2008 - MX-5 - Body and Accessories

NO. 2 POWER RETRACTABLE HARDTOP INDICATOR LIGHT FLASHING [POWER RETRACTABLE HARDTOP]


2	Power retractable hardtop indicator light flashing
DESCRIPTION	Power retractable hardtop indicator light flashes when the power retractable hardtop is stopped.
POSSIBLE CAUSE	Locking of the top lock is unstable when it is fully closed. (Locks and unlocks repeatedly) Top lock switch malfunction Open or short circuit in the wiring harness between the top lock switch and the power retractable hardtop control module Power retractable hardtop control module cannot control the power retractable hardtop indicator light operation. Power retractable hardtop control module malfunction Short to ground in the wiring harness between power retractable hardtop control module and the power retractable hardtop indicator light. Power retractable hardtop control module detects a system malfunction.

Diagnostic Procedure

When performing the asterisked (*) troubleshooting inspection, slightly shake the wiring harness and connectors while performing the inspection to determine whether poor contact points are the cause of any intermittent malfunction. If there is a problem, verify that the connectors, terminals and the wiring harness are connected correctly and undamaged.


STEP	INSPECTION		ACTION
1	VERIFY THAT PRESENT DTC IS STORED Connect the M-MDS to DLC-2. Retrieve the DTC for the power retractable hardtop control module Is there a DTC present?	Yes	Go to the appropriate DTC inspection. (See DTC TABLE [POWER RETRACTABLE HARDTOP].)
1		No	Go to the next step.
2	INSPECT TO SEE WHETHER MALFUNCTION IS IN TOP LOCK SWITCH OR ELSEWHERE Verify the power retractable hardtop status. Is the power retractable hardtop fully closed?	Yes	Go to the next step.
2		No	Go to step 4.
3	INSPECT TOP LOCK SWITCH Inspect the top lock switch. (See TOP LOCK SWITCH INSPECTION [ADVANCED KEYLESS SYSTEM].) Is the top lock switch normal?	Yes	Inspect and repair for an open or short circuit in the wiring harness between the top lock switch and power retractable hardtop control module.
3		No	Replace the top lock. (See FRONT ROOF PANEL DISASSEMBLY/ASSEMBLY.)
4*	INSPECT TO SEE WHETHER MALFUNCTION IS IN POWER RETRACTABLE HARDTOP INDICATOR LIGHT CONTROL CIRCUIT OR ELSEWHERE Turn the ignition switch to the LOCK position. Disconnect the power retractable hardtop control module (6-pin) and power retractable hardtop switch connectors. Verify the continuity between the power retractable hardtop control module terminal 2C and ground. Is there continuity?	Yes	Replace for a short to the ground circuit.
4*		No	Go to the next step.
5	INSPECT TO SEE WHETHER MALFUNCTION IS IN POWER RETRACTABLE HARDTOP INDICATOR LIGHT OR POWER RETRACTABLE HARDTOP CONTROL MODULE Reinspect malfunction condition. Does the power retractable hardtop indicator light flash?	Yes	Replace the power retractable hardtop control module. (See POWER RETRACTABLE HARDTOP CONTROL MODULE REMOVAL/INSTALLATION.)
5		No	Replace the power retractable hardtop switch. (See POWER RETRACTABLE HARDTOP SWITCH REMOVAL/INSTALLATION.)

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