Test C: Abs Warning Light Flashes Constantly
- Locate diagnostic connectors No. 1 and 2 in engine compartment fuse/relay block. See Fig 1
. If jumper wire is installed between diagnostic connector No. 1 ground terminal and diagnostic connector No. 2 diagnostic switch terminal, go to step 3
. If jumper wire is not installed between diagnostic connector No. 1 ground terminal and diagnostic connector No. 2 diagnostic switch terminal, go to next step.
- Turn ignition on. Measure voltage between ground and diagnostic connector No. 2 diagnostic switch terminal (Purple wire). See Fig 1
. If 10-14 volts are present, substitute a known-good ABS hydraulic unit/control module and repeat test. If 10-14 volts are not present, check for short to ground in Purple wire between diagnostic connector No. 2 and ABS hydraulic unit/control module.
- Turn ignition on. If ABS warning light flashes DTC 12 or a history code, go to appropriate DTC testing procedure. See ABS DIAGNOSTIC TROUBLE CODE INDEX
table under DIAGNOSIS & TESTING. If ABS warning light does not flash DTC 12 or a history code, substitute a known-good ABS hydraulic unit/control module and repeat test.
Courtesy of SUZUKI OF AMERICA CORP.